| tv | POKÉTOON (2020)As Self | (Not seen) |
| movie | Best of Enemies: Buckley vs. Vidal (2015) (AKA "Best of Enemies")As Self | (Not seen) |
| movie | Shrink (2009)As George Charles | (Not seen) |
| movie | The U.S. vs. John Lennon (2006)As Self | (Not seen) |
| movie | Why We Fight (2005)As Self - Author, "Imperial America" | (Not seen) |
| tv | Real Time with Bill Maher (2003)As Self(3 episodes) | (Not seen) |
| movie | Igby Goes Down (2002)As First School Headmaster (uncredited) | (Not seen) |
| tv | Family Guy (1999)As Gore Vidal (voice)(1 episode) | (Not seen) |
| movie | Shadow Conspiracy (1997)As Page | (Not seen) |
| movie | Gattaca (1997) (AKA "The Eighth Day")As Director Josef | (Not seen) |
| movie | The Celluloid Closet (1995)As Self | (Not seen) |
| movie | Bob Roberts (1992)As Senator Brickley Paiste | (Not seen) |
| tv | The Simpsons (1989)As Gore Vidal (voice)(1 episode) | (Not seen) |
| movie | Fellini's Roma (1972) (AKA "Roma")As Gore Vidal | (Not seen) |
| movie | Suddenly, Last Summer (1959)As Audience Member at Operation | (Not seen) |
| movie | Ritual in Transfigured Time (1946)As Man (uncredited) | (Not seen) |