Terrence Vance Gilliam (/ˈɡɪliəm/ GIL-ee-əm; born 22 November 1940) is an American-British filmmaker, comedian, collage animator, and actor. He gained stardom as a member of the Monty Python comedy troupe alongside John Cleese, Eric Idle, Michael Palin, Terry Jones, and Graham Chapman. Together they collaborated on the sketch series Monty Python's Flying Circus (1969–1974) and the films Monty Python and the Holy Grail (1975, also co-directed), Life of Brian (1979) and The Meaning of Life (1983). In 1988, they received the BAFTA Award for Outstanding British Contribution to Cinema. In 2009, Gilliam received the BAFTA Fellowship for lifetime achievement.
Gilliam transitioned to directing serious films with themes exploring imagination and oppositions to bureaucracy and authoritarianism. His films are sometimes set in dystopian worlds and involve black comedy and tragicomedic elements. He has directed thirteen feature films, gaining acclaim for Time Bandits (1981), Brazil (1985), The Adventures of Baron Munchausen (1988), The Fisher King (1991), and 12 Monkeys (1995). Other directing credits include Fear and Loathing in Las Vegas (1998), The Imaginarium of Doctor Parnassus (2009), and The Man Who Killed Don Quixote (2018).