| Ray Harryhausen: Special Effects Titan (2012) Self |
| How to Live Forever (2011) Self |
| Charles Beaumont: The Short Life of Twilight Zone's Magic Man (2010) Self |
| Famous Monster: Forrest J Ackerman (2007) Self |
| C.S. Lewis: Dreamer of Narnia (2006) Self |
| The Sci-Fi Boys (2006) Self |
| Hollywood Legenden (2004) Self |
| Hugh Hefner: American Playboy (2003) Self |
| The Making of 'Fahrenheit 451' (2003) Self |
| The Tramp and the Dictator (2002) Self (uncredited) |
| Besuch bei Ray Bradbury (2001) Self |
| The Fly Papers: The Buzz on Hollywood's Scariest Insect (2000) Self |
| Lon Chaney: A Thousand Faces (2000) Self |
| In Search of Tarzan with Jonathan Ross (1998) Himself |
| Universal Horror (1998) Self - Interviewee |
| The Harryhausen Chronicles (1997) Self |
| Corwin (1996) Self |
| A Century of Science Fiction (1996) Self |
| In Search of Oz (1994) Self |
| The Halloween Tree (1993) Narrator (voice) |
| Hooray for Horrorwood (1991) Self |
| The Stan Freberg Commercials (1990) Himself |
| The Ray Bradbury Theater: A Sound of Thunder (1989) Self |
| The Ray Bradbury Theater: And So Died Riabouchinska (1988) Self - Introduction(uncredited) |
| The Fantasy Film Worlds of George Pal (1986) Self |
| The Whimsical World of Oz (1985) Self |
| Aliens, Dragons, Monsters & Me (1983) Himself |
| Any Friend of Nicholas Nickleby Is a Friend of Mine (1982) Ralph as a Man (voice) |
| Rich and Famous (1981) Literary Party Guest |
| Infinite Horizons: Space Beyond Apollo (1979) Himself |
| Playboy's 25th Anniversary Celebration (1979) Self |