Actor
- Never Down (2007) .... Himself
- The Outsider (2005) .... Himself
- When Will I Be Loved (2004) .... Professor Hassan Al-Ibrahim Ben Rabinowitz
- Death of a Dynasty (2003) .... Lyor Cohen
- Jim Brown: All American (2002) .... Himself (Actor, Director)
- Black and White (2000) .... Arnie Tishman
- Giving It Up (1999) .... Dr. Hubbins
- Bugsy (1991) .... Gus Greenbaum
- Alice (1991) .... Professor
- Bugsy: The Dark Passion of an American Dreamer (1991) .... Host
- The Big Bang (1990) .... Interviewer / Narrataor
- Exposed (1983) .... Leo Boscovitch
- Will the Real Norman Mailer Please Stand Up? (1968) .... Himself
- Tyson (2009) ....
- When Will I Be Loved (2004) ....
- Harvard Man (2001) ....
- Black and White (2000) ....
- Two Girls and a Guy (1998) ....
- The Big Bang (1990) ....
- The Pick-up Artist (1987) ....
- Exposed (1983) ....
- Love and Money (1982) ....
- Fingers (1978) ....
- Tyson (2009) .... producer
- Exposed (1983) .... producer
- Love and Money (1982) .... producer
- Tyson (2009) .... writer
- De battre mon coeur s'est arrĂȘtĂ© (The Beat That My Heart Skipped) (2005) .... earlier screenplay
- When Will I Be Loved (2004) .... (written by)
- Harvard Man (2001) .... (written by)
- Black and White (2000) .... (written by)
- Two Girls and a Guy (1998) .... (written by)
- Bugsy (1991) .... (written by)
- Bugsy: The Dark Passion of an American Dreamer (1991) .... writer
- The Big Bang (1990) .... writer
- The Pick-up Artist (1987) .... (written by)
- Exposed (1983) ....
- Love and Money (1982) .... writer
- Fingers (1978) ....
- The Gambler (1974) ....

