Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Actor | Il mondo dei robot | 1973 | Peter Martin |
| Director | Casa, dolce casa? | 1986 | |
| Director | Sirene | 1990 | |
| Actor | Harry a pezzi | 1997 | Ken |
| Director | Ho sposato un'aliena | 1988 | |
| Director | Scambio di identità | 1996 | |
| Director | Made in America | 1993 | |
| Director | Lezioni di anatomia | 1994 | |
| Actor | Comma 22 | 1970 | Maj. Danby |
| Director | Nikita, spie senza volto | 1988 | |
| Actor | Un rebus per l'assassino | 1973 | Tom |
| Actor | Quark | Adam Quark | |
| Director | Per piacere... non salvarmi più la vita | 1984 | |
| Actor | Le guerre del Pentagono | 1998 | Caspar Weinberger (Secretary of Defense) |
| Director | Le guerre del Pentagono | 1998 | |
| Actor | Henry Poole - Lassù qualcuno ti ama | 2008 | Dr. Fancher |
| Actor | Amore al primo morso | 1979 | Dr. Jeffery Rosenberg / Van Helsing |
| Actor | Marci X | 2003 | Ben Feld |
| Director | Marci X | 2003 | |
| Actor | Saturday the 14th | 1981 | John |
| Director | In gara con la luna | 1984 | |
| Director | My Favorite Year | 1982 | |
| Director | The Shrink Is In | 2001 | |
| Actor | I ragazzi irresistibili | 1975 | Ben Clark |
| Actor | Goodbye, Columbus | 1969 | Neil Klugman |
| Director | Pronti a tutto | 1990 | |
| Actor | Ladre e contente | 1980 | Albert |
| Actor | Diario di una casalinga inquieta | 1970 | Jonathan Balser |
| Actor | America at the Movies | 1976 | Major Danby |
| Actor | Scavenger Hunt | 1979 | Stuart Selsome |