42 credits
- The Immortal
2000 Writer
- The Lost World
1999 Screenplay
- Escape from Mars
1999 Screenplay
- The Lost World
1999 Writer
- BeastMaster
1999 Writer
- Eerie, Indiana: The Other Dimension
1998 Writer
- Star Wars: Ewoks - The Haunted Village
1997 Wicket (voice)
- Star Wars: Ewoks - Tales from the Endor Woods
1997 Wicket (voice)
- La Femme Nikita
1997 Writer
- FX: The Series
1996 Writer
- A Change of Place
1994 Screenplay
- Treacherous Beauties
1994 Writer
- Broken Lullaby
1994 Writer
- Another Woman
1994 Screenplay
- Counterstrike
1990 Writer
- Bordertown
1989 Writer
- Care Bears Nutcracker Suite
1988 Tenderheart Bear (voice)
- Ewoks 1: Morag's Revenge
1988 Wicket (voice)
- Ewoks 2: The Gupins and the Jindas
1988 Wicket (voice)
- Ewoks 3: Wicket the Hero
1988 Wicket (voice)
- War of the Worlds
1988 Writer
- The Care Bears Adventure in Wonderland
1987 Tenderheart Bear (voice)
- Diamonds
1987 Writer
- Friday the 13th: The Series
1987 Writer
- Care Bears Movie II: A New Generation
1986 Bright Heart Raccoon (voice)
- Care Bears Wishbear Presents: The Big Star Round-Up
1986 Tenderheart Bear
- Adderly
1986 Writer
- The Care Bears
1985 Tenderheart Bear (voice)
- Ewoks
1985 Wicket (voice)
- The Adventures of the Get Along Gang
1984 Zipper Cat (voice)
- The Magic of Herself the Elf
1983 Wilfie - a Wood Sprite (voice)
- Mondo Strip
1980 Narrator
- Easter Fever
1980 Aardvark (voice)
- The Devil and Daniel Mouse
1978 Daniel Mouse / Beaver Drummer (voice)
- Deadly Harvest
1977 John McCrae
- The Supreme Kid
1976 Wes
- A Sweeter Song
1976 Writer
- Lions for Breakfast
1975 Trick
- Peep Show
1975
- Monkeys in the Attic
1974 Gus
- Class of '44
1973 Fraternity Senior (uncredited)
- The Last Detail
1973 Sweek
