Quoc: Majel Barrett-Roddenberry (/ medl /; born Majel Leigh Hudec; February 23, 1932 -- December 18, 2008) was an American actress and producer. She was best known for her roles as Nurse Christine Chapel in the original Star Trek series and Lwaxana Troi on Star Trek: The Next Generation and Star Trek: Deep Space Nine, as well as for being the voice of most onboard computer interfaces throughout the series. She became the second wife of Star Trek creator Gene Roddenberry.

Answer this question based on the passage: who played nurse chapel in the original star trek?
HW Chung: OK, some thoughts:
This is the relevant information: She was best known for her roles as Nurse Christine Chapel in the original Star Trek series and Lwaxana Troi on Star Trek: The Next Generation and Star Trek: Deep Space Nine, as well as for being the voice of most onboard computer interfaces throughout the series. The answer is Majel Barrett - Roddenberry.