Martin James Landau (June 20, 1928 – July 15, 2017) was an American actor, acting coach, producer, and editorial cartoonist. His career began in the 1950s, with early film appearances including a supporting role in Alfred Hitchcock's North by Northwest (1959). He played regular roles in the television series Mission: Impossible (for which he received several Emmy Award nominations and a Golden Globe Award) and Space: 1999.