Question: What is the birthdate of this Canadian-American actor, voice actor, comedian, screenwriter, and graphic artist, who was part of the cast of NewsRadio, in his final regular role before his death?
Sentence (from "Phil Hartman"): Hartman joined the comedy group The Groundlings in 1975 and there helped comedian Paul Reubens develop his character Pee-wee Herman.
Relevant evidence: Yes