user: You are a structured reasoning expert tasked with solving problems step by step. 
You first think about the reasoning process in the mind and then provide the answer. The reasoning process and answer should be enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answer here </answer>. 
Given a question and the associated knowledge graph triplets (entity, relation, entity), you are asked to answer the question with these triplets and your own knowledge. 
You can break down the original question into several sub-questions and explore the given knowledge graph to solve them step-by-step. If there are multiple possible answers, choose one as the final answer. 
After thinking, when you finally reach a conclusion, clearly state the answer within <answer> </answer> tags, i.e., <answer> answer here </answer>. 
Question: who plays jackson gibbs on ncis? 
Knowledge Triplets: NCIS - Season 9, tv.tv_series_season.series, NCIS
NCIS - Season 2, tv.tv_series_season.regular_cast, m.03jrblb
m.043zbbl, tv.regular_tv_appearance.seasons, NCIS - Season 9
m.043zbbb, tv.regular_tv_appearance.seasons, NCIS - Season 5
m.03jrblb, tv.regular_tv_appearance.seasons, NCIS - Season 3
NCIS - Season 7, tv.tv_series_season.regular_cast, m.043zbc6
m.03jtcd9, tv.regular_tv_appearance.seasons, NCIS - Season 4
NCIS - Season 11, tv.tv_series_season.regular_cast, m.043zbc6
NCIS - Season 9, tv.tv_series_season.regular_cast, m.03jrblb
NCIS - Season 2, tv.tv_series_season.regular_cast, m.043zb9f
NCIS, common.topic.notable_for, g.125b2pct7
NCIS - Season 8, tv.tv_series_season.regular_cast, m.043zb8d
m.043zbbb, tv.regular_tv_appearance.seasons, NCIS - Season 8
NCIS - Season 2, common.topic.image, NCISSeason02.jpg
m.043zb8d, tv.regular_tv_appearance.seasons, NCIS - Season 9
NCIS - Season 10, tv.tv_series_season.regular_cast, m.043zbc6
NCIS - Season 10, tv.tv_series_season.regular_cast, m.03jrb4t
NCIS - Season 3, common.topic.article, m.09g768n
m.043zb94, tv.regular_tv_appearance.seasons, NCIS - Season 3
NCIS - Season 3, common.topic.notable_for, g.1255hgrmh
NCIS, tv.tv_program.regular_cast, m.043zb94
NCIS - Season 1, tv.tv_series_season.regular_cast, m.043zb94
English Language, people.person.languages, Ralph Waite
NCIS - Season 8, tv.tv_series_season.regular_cast, m.043zbbl
m.043zbbb, tv.regular_tv_appearance.seasons, NCIS - Season 7
NCIS - Season 6, tv.tv_series_season.series, NCIS
NCIS, tv.tv_program.regular_cast, m.051stsg
NCIS - Season 4, tv.tv_series_season.regular_cast, m.03jrb4t
m.043zbc6, tv.regular_tv_appearance.seasons, NCIS - Season 4
m.051stsg, tv.regular_tv_appearance.seasons, NCIS - Season 3
NCIS - Season 5, tv.tv_series_season.regular_cast, m.043zbbb
NCIS - Season 2, common.topic.article, m.09gbv9q
NCIS - Season 11, tv.tv_series_season.regular_cast, m.0ystqsl
m.0k6vcw9, tv.regular_tv_appearance.series, NCIS
m.03jtcd9, tv.regular_tv_appearance.seasons, NCIS - Season 3
NCIS, common.topic.article, m.03m8sq
NCIS - Season 3, tv.tv_series_season.regular_cast, m.051stsg
NCIS - Season 0, tv.tv_series_season.episodes, Psyched Up: Jamie Lee Curtis On Set
NCIS - Season 3, tv.tv_series_season.regular_cast, m.043zb8s
NCIS - Season 5, tv.tv_series_season.regular_cast, m.043zbcf
NCIS - Season 1, common.topic.notable_for, g.1255hg43r
NCIS, tv.tv_program.regular_cast, m.0kt1yx5
m.051stsg, tv.regular_tv_appearance.series, NCIS
NCIS - Season 1, common.topic.article, m.09gdnn1
m.03jrblb, tv.regular_tv_appearance.seasons, NCIS - Season 2
m.0y8cw6q, tv.regular_tv_appearance.series, NCIS
m.043zb9f, tv.regular_tv_appearance.character, Gerald Jackson
m.043zb8d, tv.regular_tv_appearance.seasons, NCIS - Season 6
NCIS, tv.tv_program.regular_cast, m.03jrb4t
m.043zbc6, tv.regular_tv_appearance.seasons, NCIS - Season 8
NCIS - Season 9, tv.tv_series_season.regular_cast, m.03jrb4t
NCIS - Season 6, tv.tv_series_season.regular_cast, m.043zbcf
m.03jsrk0, tv.regular_tv_appearance.series, NCIS
m.043zbb2, tv.regular_tv_appearance.seasons, NCIS - Season 6
NCIS - Season 10, tv.tv_series_season.regular_cast, m.043zbbl
Gerald Jackson, tv.tv_character.appeared_in_tv_program, m.043zb9f
NCIS - Season 5, tv.tv_series_season.regular_cast, m.043zb94
NCIS - Season 4, tv.tv_series_season.series, NCIS
NCIS - Season 5, tv.tv_series_season.regular_cast, m.043zbc6
Jackson Gibbs, tv.tv_character.appeared_in_tv_program, m.0h5jycd
NCIS - Season 5, common.topic.article, m.09gc0mh
NCIS - Season 0, tv.tv_series_season.episodes, Cast Roundtable (1)
NCIS - Season 3, tv.tv_series_season.regular_cast, m.043zb94
NCIS - Season 3, tv.tv_series_season.regular_cast, m.03jsrk0
NCIS - Season 9, common.topic.article, m.0h3t34f
NCIS: Los Angeles, tv.tv_program.program_creator, Shane Brennan
m.043zbbb, tv.regular_tv_appearance.seasons, NCIS - Season 4
NCIS - Season 4, common.topic.notable_for, g.1259v00x3
m.043zbc6, tv.regular_tv_appearance.seasons, NCIS - Season 5
m.043zbcf, tv.regular_tv_appearance.series, NCIS
NCIS - Season 8, tv.tv_series_season.regular_cast, m.043zbbb
NCIS - Season 0, tv.tv_series_season.episodes, Lab Tour with Pauley Perrette
NCIS - Season 11, tv.tv_series_season.regular_cast, m.043zbbl
m.043zbc6, tv.regular_tv_appearance.seasons, NCIS - Season 7
NCIS - Season 1, tv.tv_series_season.regular_cast, m.03jq4_j
NCIS - Season 0, tv.tv_series_season.episodes, Casting Off
NCIS - Season 2, tv.tv_series_season.regular_cast, m.043zbb2
NCIS, tv.tv_program.regular_cast, m.043zbbb
NCIS - Season 4, tv.tv_series_season.regular_cast, m.043zbb2
NCIS - Season 1, tv.tv_series_season.regular_cast, m.043zbb2
m.043zbbl, tv.regular_tv_appearance.seasons, NCIS - Season 11
m.043zb94, tv.regular_tv_appearance.seasons, NCIS - Season 6
NCIS - Season 5, tv.tv_series_season.regular_cast, m.043zbb2
NCIS - Season 6, tv.tv_series_season.regular_cast, m.043zbc6
NCIS - Season 3, tv.tv_series_season.regular_cast, m.043zbbl
NCIS - Season 3, tv.tv_series_season.regular_cast, m.03jrblb
NCIS - Season 1, tv.tv_series_season.regular_cast, m.043zb7r
NCIS - Season 3, common.topic.article, m.0h64kyh
m.043zb8s, tv.regular_tv_appearance.series, NCIS
NCIS, tv.tv_program.regular_cast, m.043zbbv
m.043zb7r, tv.regular_tv_appearance.seasons, NCIS - Season 1
m.0h5jycd, tv.regular_tv_appearance.series, NCIS
NCIS - Season 11, tv.tv_series_season.regular_cast, m.043zb8d
NCIS - Season 5, tv.tv_series_season.regular_cast, m.0c4hvfv
m.043zbbv, tv.regular_tv_appearance.seasons, NCIS - Season 4
NCIS - Season 4, tv.tv_series_season.regular_cast, m.043zb8s
NCIS - Season 2, tv.tv_series_season.regular_cast, m.0k6vcw9
NCIS - Season 5, tv.tv_series_season.regular_cast, m.043zbbl
m.03jrblb, tv.regular_tv_appearance.seasons, NCIS - Season 9
NCIS - Season 6, tv.tv_series_season.regular_cast, m.03jrblb
NCIS - Season 7, tv.tv_series_season.regular_cast, m.043zbbl
NCIS - Season 6, tv.tv_series_season.regular_cast, m.043zbbl
NCIS - Season 3, tv.tv_series_season.regular_cast, m.043zbbb
NCIS - Season 11, common.topic.notable_for, g.1yl5l7gc8
NCIS - Season 7, tv.tv_series_season.regular_cast, m.043zbb2
NCIS - Season 4, tv.tv_series_season.regular_cast, m.043zb7z
NCIS, tv.tv_program.regular_cast, m.0y4h2_1
m.043zb7r, tv.regular_tv_appearance.seasons, NCIS - Season 2
m.043zbbb, tv.regular_tv_appearance.seasons, NCIS - Season 1
m.043zbbv, tv.regular_tv_appearance.seasons, NCIS - Season 3
NCIS, tv.tv_program.regular_cast, m.0h5jycd
m.043zbc6, tv.regular_tv_appearance.seasons, NCIS - Season 10
m.03jrb4t, tv.regular_tv_appearance.character, Special Agent Leroy Jethro Gibbs
m.043zbb2, tv.regular_tv_appearance.seasons, NCIS - Season 2
NCIS - Season 4, tv.tv_series_season.regular_cast, m.03jrblb
NCIS - Season 7, tv.tv_series_season.regular_cast, m.043zb8d
m.03jrb4t, tv.regular_tv_appearance.seasons, NCIS - Season 2
m.043zbbb, tv.regular_tv_appearance.seasons, NCIS - Season 9
NCIS - Season 2, tv.tv_series_season.regular_cast, m.043zb94
m.03jrb4t, tv.regular_tv_appearance.seasons, NCIS - Season 6
NCIS - Season 3, tv.tv_series_season.regular_cast, m.043zbb2
NCIS - Season 4, tv.tv_series_season.regular_cast, m.0c4hvfv
NCIS - Season 8, tv.tv_series_season.series, NCIS
NCIS, tv.tv_program.program_creator, Donald P. Bellisario
NCIS - Season 3, tv.tv_series_season.regular_cast, m.043zbbv
NCIS - Season 10, tv.tv_series_season.regular_cast, m.043zb8d
NCIS - Season 9, tv.tv_series_season.regular_cast, m.043zbb2
NCIS, tv.tv_program.regular_cast, m.03jrblb
m.043zbbl, tv.regular_tv_appearance.seasons, NCIS - Season 4
m.043zbbb, tv.regular_tv_appearance.seasons, NCIS - Season 3
m.043zbbl, tv.regular_tv_appearance.seasons, NCIS - Season 2
NCIS - Season 2, tv.tv_series_season.regular_cast, m.043zbbb
m.043zbbl, tv.regular_tv_appearance.seasons, NCIS - Season 7
NCIS - Season 3, tv.tv_series_season.regular_cast, m.03jq4_j
m.043zbb2, tv.regular_tv_appearance.seasons, NCIS - Season 10
m.043zbbl, tv.regular_tv_appearance.seasons, NCIS - Season 3
NCIS - Season 7, tv.tv_series_season.regular_cast, m.03jrb4t
m.03jrblb, tv.regular_tv_appearance.seasons, NCIS - Season 1
m.0c4hvfv, tv.regular_tv_appearance.series, NCIS
NCIS - Season 4, tv.tv_series_season.regular_cast, m.043zbbv
m.03jrblb, tv.regular_tv_appearance.seasons, NCIS - Season 6
m.0h5jycd, tv.regular_tv_appearance.actor, Ralph Waite
NCIS - Season 6, tv.tv_series_season.regular_cast, m.043zbb2
m.043zbb2, tv.regular_tv_appearance.seasons, NCIS - Season 3
m.03jrb4t, tv.regular_tv_appearance.seasons, NCIS - Season 11
m.043zbb2, tv.regular_tv_appearance.series, NCIS
NCIS - Season 6, tv.tv_series_season.regular_cast, m.043zbbb
NCIS - Season 9, tv.tv_series_season.regular_cast, m.043zbbl
NCIS, tv.tv_program.languages, English Language
NCIS, tv.tv_program.regular_cast, m.0ystqsl
NCIS - Season 8, tv.tv_series_season.regular_cast, m.043zbc6
NCIS - Season 11, tv.tv_series_season.series, NCIS
NCIS - Season 9, tv.tv_series_season.episodes, Life Before His Eyes
NCIS - Season 5, tv.tv_series_season.regular_cast, m.03jrb4t
NCIS - Season 2, tv.tv_series_season.regular_cast, m.043zb7z
NCIS - Season 8, common.topic.article, m.0crgzk1
m.043zb8d, tv.regular_tv_appearance.seasons, NCIS - Season 8
NCIS - Season 4, tv.tv_series_season.regular_cast, m.043zbc6
m.0y4h2_1, tv.regular_tv_appearance.series, NCIS
NCIS - Season 0, tv.tv_series_season.episodes, The Prop Master - A visit with George Tuers
m.043zb94, tv.regular_tv_appearance.seasons, NCIS - Season 1
NCIS - Season 3, common.topic.article, m.0n4c0nh
m.043zbc6, tv.regular_tv_appearance.seasons, NCIS - Season 3
m.03jq4_j, tv.regular_tv_appearance.series, NCIS
NCIS - Season 5, tv.tv_series_season.regular_cast, m.03jrblb
NCIS - Season 6, tv.tv_series_season.regular_cast, m.03jq4_j
NCIS - Season 2, tv.tv_series_season.regular_cast, m.03jq4_j
NCIS - Season 1, common.topic.image, NCISSeason01.jpg
NCIS - Season 1, tv.tv_series_season.episodes, Reveille
NCIS - Season 8, tv.tv_series_season.regular_cast, m.03jq4_j
m.043zbbl, tv.regular_tv_appearance.seasons, NCIS - Season 8
Special Agent Leroy Jethro Gibbs, tv.tv_character.appeared_in_tv_program, m.03jrb4t
NCIS - Season 8, tv.tv_series_season.regular_cast, m.043zbb2
m.043zb9q, tv.regular_tv_appearance.series, NCIS
m.03jsrk0, tv.regular_tv_appearance.seasons, NCIS - Season 1
NCIS - Season 4, tv.tv_series_season.regular_cast, m.043zb94
NCIS, tv.tv_program.regular_cast, m.043zbc6
m.043zbbb, tv.regular_tv_appearance.seasons, NCIS - Season 6
m.0k6vcw9, tv.regular_tv_appearance.seasons, NCIS - Season 1
m.03jrblb, tv.regular_tv_appearance.seasons, NCIS - Season 5
NCIS, tv.regular_tv_appearance.series, m.0h5jycd
NCIS - Season 6, tv.tv_series_season.regular_cast, m.03jrb4t
NCIS, tv.tv_program.regular_cast, m.0y8cw6q
m.03jtcd9, tv.regular_tv_appearance.seasons, NCIS - Season 5
m.0y4h3j0, tv.regular_tv_appearance.seasons, NCIS - Season 11
m.043zbc6, tv.regular_tv_appearance.seasons, NCIS - Season 6
NCIS - Season 7, tv.tv_series_season.regular_cast, m.043zbbb
NCIS - Season 0, tv.tv_series_season.episodes, Home Sweet Home: Creating the Gibbs House
NCIS - Season 9, tv.tv_series_season.regular_cast, m.043zbc6
NCIS - Season 7, tv.tv_series_season.regular_cast, m.043zb94
m.043zb94, tv.regular_tv_appearance.seasons, NCIS - Season 11
NCIS, tv.tv_program.regular_cast, m.043zb8d
NCIS - Season 11, tv.tv_series_season.regular_cast, m.0y4h3j0
NCIS - Season 11, tv.tv_series_season.regular_cast, m.03jq4_j
m.03jrblb, tv.regular_tv_appearance.seasons, NCIS - Season 4
NCIS - Season 0, tv.tv_series_season.episodes, Technically Speaking: A Conversation with Technical Advisor, Leon Carroll, Jr.
NCIS - Season 6, tv.tv_series_season.episodes, Semper Fidelis
NCIS - Season 10, tv.tv_series_season.regular_cast, m.03jq4_j
NCIS, tv.tv_program.program_creator, Don McGill
NCIS - Season 3, tv.tv_series_season.regular_cast, m.043zbc6
NCIS - Season 7, tv.tv_series_season.series, NCIS
m.043zbbb, tv.regular_tv_appearance.series, NCIS
NCIS, tv.tv_program.regular_cast, m.043zbbl
NCIS - Season 2, tv.tv_series_season.regular_cast, m.03jsrk0
NCIS - Season 5, common.topic.notable_for, g.1256pxm7m
NCIS - Season 2, tv.tv_series_season.regular_cast, m.043zbbl
NCIS - Season 3, tv.tv_series_season.regular_cast, m.0c4hvfv
m.043zb94, tv.regular_tv_appearance.seasons, NCIS - Season 2
NCIS - Season 1, tv.tv_series_season.regular_cast, m.043zbbb
m.043zbbl, tv.regular_tv_appearance.seasons, NCIS - Season 6
m.03jsrk0, tv.regular_tv_appearance.seasons, NCIS - Season 2
NCIS, tv.tv_program.regular_cast, m.043zbb2
NCIS - Season 4, tv.tv_series_season.regular_cast, m.043zbcf
m.043zb94, tv.regular_tv_appearance.seasons, NCIS - Season 9
m.03jrb4t, tv.regular_tv_appearance.seasons, NCIS - Season 1
NCIS, tv.tv_program.regular_cast, m.0y4h3j0
m.0y4h3j0, tv.regular_tv_appearance.series, NCIS
m.03jtcd9, tv.regular_tv_appearance.series, NCIS
NCIS, tv.tv_program.country_of_origin, United States of America
NCIS - Season 1, tv.tv_series_season.regular_cast, m.0k6vcw9
NCIS - Season 9, tv.tv_series_season.regular_cast, m.043zb94
m.03jrb4t, tv.regular_tv_appearance.series, NCIS
m.0v9d0c1, tv.regular_tv_appearance.series, NCIS
NCIS - Season 6, tv.tv_series_season.regular_cast, m.043zb94
m.043zbbv, tv.regular_tv_appearance.series, NCIS
NCIS - Season 0, tv.tv_series_season.episodes, Picture Perfect: The Looks of N.C.I.S
NCIS, tv.tv_program.regular_cast, m.0v9d0c1
NCIS - Season 11, tv.tv_series_season.regular_cast, m.043zb94
NCIS - Season 7, common.topic.notable_for, g.1255cym4h
NCIS - Season 5, tv.tv_series_season.regular_cast, m.03jq4_j
m.043zb9f, tv.regular_tv_appearance.series, NCIS
m.043zbb2, tv.regular_tv_appearance.seasons, NCIS - Season 5
m.03jrblb, tv.regular_tv_appearance.series, NCIS
m.043zbc6, tv.regular_tv_appearance.seasons, NCIS - Season 9
m.043zb7z, tv.regular_tv_appearance.series, NCIS
NCIS - Season 8, tv.tv_series_season.regular_cast, m.043zb94
NCIS - Season 1, tv.tv_series_season.series, NCIS
NCIS - Season 1, tv.tv_series_season.regular_cast, m.03jsrk0
NCIS: Los Angeles, tv.tv_program.regular_cast, m.0ghb7rf
NCIS, tv.tv_program.regular_cast, m.043zb8s
NCIS - Season 4, common.topic.article, m.09gpz7f
NCIS, tv.tv_program.regular_cast, m.0c4hvfv
NCIS - Season 5, tv.tv_series_season.regular_cast, m.043zb7z
NCIS, tv.tv_program.regular_cast, m.043zb9f
Special Agent Leroy Jethro Gibbs, fictional_universe.fictional_character.gender, Male
NCIS - Season 1, tv.tv_series_season.regular_cast, m.043zb9f
NCIS - Season 5, tv.tv_series_season.regular_cast, m.043zb9q
NCIS - Season 1, tv.tv_series_season.regular_cast, m.043zb7z
NCIS, tv.tv_program.regular_cast, m.03jq4_j
NCIS - Season 2, tv.tv_series_season.series, NCIS
m.03jrb4t, tv.regular_tv_appearance.seasons, NCIS - Season 7
m.0h5jycd, tv.regular_tv_appearance.character, Jackson Gibbs
NCIS, tv.tv_program.regular_cast, m.043zbcf
m.03jrb4t, tv.regular_tv_appearance.seasons, NCIS - Season 10
NCIS - Season 4, tv.tv_series_season.regular_cast, m.051stsg
m.03jrblb, tv.regular_tv_appearance.seasons, NCIS - Season 11
m.043zbbb, tv.regular_tv_appearance.seasons, NCIS - Season 2
NCIS - Season 8, tv.tv_series_season.regular_cast, m.03jrb4t
NCIS - Season 8, tv.tv_series_season.regular_cast, m.03jrblb
m.03jrb4t, tv.regular_tv_appearance.seasons, NCIS - Season 9
m.043zbb2, tv.regular_tv_appearance.seasons, NCIS - Season 4
m.043zbb2, tv.regular_tv_appearance.seasons, NCIS - Season 11
NCIS - Season 7, tv.tv_series_season.regular_cast, m.03jrblb
United States of America, people.person.nationality, Ralph Waite
m.043zb8d, tv.regular_tv_appearance.series, NCIS
NCIS - Season 11, tv.tv_series_season.regular_cast, m.03jrb4t
NCIS - Season 3, tv.tv_series_season.regular_cast, m.043zb9f
NCIS - Season 2, tv.tv_series_season.episodes, Lt. Jane Doe
NCIS - Season 11, tv.tv_series_season.regular_cast, m.043zbb2
m.03jrblb, tv.regular_tv_appearance.seasons, NCIS - Season 8
NCIS - Season 9, tv.tv_series_season.regular_cast, m.03jq4_j
NCIS - Season 1, tv.tv_series_season.regular_cast, m.03jrblb
m.043zb94, tv.regular_tv_appearance.seasons, NCIS - Season 7
NCIS - Season 11, tv.tv_series_season.regular_cast, m.03jrblb
NCIS - Season 4, tv.tv_series_season.regular_cast, m.03jq4_j
m.03jrblb, tv.regular_tv_appearance.seasons, NCIS - Season 10
NCIS - Season 9, tv.tv_series_season.regular_cast, m.043zbbb
NCIS - Season 0, tv.tv_series_season.episodes, Cast Roundtable (3)
NCIS - Season 4, tv.tv_series_season.regular_cast, m.043zb9q
NCIS, tv.tv_program.regular_cast, m.03jsrk0
m.043zbb2, tv.regular_tv_appearance.seasons, NCIS - Season 7
m.043zb94, tv.regular_tv_appearance.seasons, NCIS - Season 8
NCIS - Season 6, tv.tv_series_season.regular_cast, m.043zb8d
m.043zbbl, tv.regular_tv_appearance.series, NCIS
m.03jrb4t, tv.regular_tv_appearance.seasons, NCIS - Season 5
NCIS - Season 5, tv.tv_series_season.regular_cast, m.03jtcd9
m.043zbc6, tv.regular_tv_appearance.series, NCIS
NCIS - Season 0, tv.tv_series_season.episodes, Cast Roundtable (2)
m.051stsg, tv.regular_tv_appearance.seasons, NCIS - Season 4
NCIS - Season 7, common.topic.article, m.09gps4g
m.03jrb4t, tv.regular_tv_appearance.seasons, NCIS - Season 4
NCIS - Season 3, tv.tv_series_season.regular_cast, m.03jrb4t
m.03jrblb, tv.regular_tv_appearance.seasons, NCIS - Season 7
NCIS - Season 2, tv.tv_series_season.regular_cast, m.03jrb4t
m.043zb94, tv.regular_tv_appearance.series, NCIS
NCIS - Season 9, common.topic.notable_for, g.1yl5zhhn5
m.03jrb4t, tv.regular_tv_appearance.seasons, NCIS - Season 8
NCIS - Season 10, tv.tv_series_season.regular_cast, m.043zbb2
NCIS - Season 4, tv.tv_series_season.regular_cast, m.03jtcd9
m.03jsrk0, tv.regular_tv_appearance.seasons, NCIS - Season 3
m.043zbc6, tv.regular_tv_appearance.seasons, NCIS - Season 11
NCIS - Season 7, tv.tv_series_season.regular_cast, m.03jq4_j
m.03jrb4t, tv.regular_tv_appearance.seasons, NCIS - Season 3
NCIS - Season 6, common.topic.article, m.09gj4fn
NCIS - Season 11, tv.tv_series_season.regular_cast, m.0y4h2_1
NCIS, tv.tv_program.regular_cast, m.03jtcd9
m.0k6vcw9, tv.regular_tv_appearance.seasons, NCIS - Season 2
NCIS - Season 1, tv.tv_series_season.regular_cast, m.03jrb4t
NCIS, tv.tv_program.regular_cast, m.043zb9q
m.043zbbl, tv.regular_tv_appearance.seasons, NCIS - Season 5
NCIS - Season 3, tv.tv_series_season.regular_cast, m.03jtcd9
NCIS - Season 9, tv.tv_series_season.regular_cast, m.043zb8d
NCIS - Season 3, tv.tv_series_season.regular_cast, m.043zb7r
NCIS - Season 3, tv.tv_series_season.regular_cast, m.043zb7z
NCIS - Season 10, tv.tv_series_season.regular_cast, m.043zb94
NCIS - Season 4, tv.tv_series_season.regular_cast, m.043zbbl
NCIS, tv.tv_program.regular_cast, m.043zb7z
m.043zbb2, tv.regular_tv_appearance.seasons, NCIS - Season 9
NCIS - Season 10, common.topic.article, m.0kvknzr
NCIS - Season 4, tv.tv_series_season.regular_cast, m.043zbbb
NCIS - Season 8, common.topic.notable_for, g.125h4lk6z
NCIS, tv.tv_program.regular_cast, m.0k6vcw9
NCIS - Season 10, tv.tv_series_season.regular_cast, m.03jrblb
m.043zbb2, tv.regular_tv_appearance.seasons, NCIS - Season 1
NCIS - Season 2, common.topic.notable_for, g.12595vxcx
m.0kt1yx5, tv.regular_tv_appearance.series, NCIS
m.043zbb2, tv.regular_tv_appearance.seasons, NCIS - Season 8
NCIS - Season 2, tv.tv_series_season.regular_cast, m.043zb7r
m.0ystqsl, tv.regular_tv_appearance.series, NCIS

Answer: Ralph Waite