Martin James Landau (June 20, 1928-July 15, 2017) was an American actor, acting coach, producer, and editorial cartoonist.
He first appeared in The Twilight Zone as Dan Hotaling in Mr. Denton on Doomsday, and later appeared as Major Ivan Kuchenko in The Jeopardy Room. He also appeared in The Twilight Zone (1985) show in the episode The Beacon as William Cooper-Janes.