Filmography33 titles
| Year | Title | Character | Age at release |
|---|---|---|---|
| 2012 | Baby DaddySeries | Director | 64 |
| 1992 | Mad About YouSeries | Mr. Shapiro (uncredited) | 44 |
| 1992 | Fish PoliceSeries | Additional Voices (voice) | 44 |
| 1989 | The Dream TeamMovie | Ed | 41 |
| 1988 | Side by SideMovie | Tony Mercer | 40 |
| 1987 | Ultraman: The Adventure BeginsMovie | Scott Masterson | 39 |
| 1987 | Conspiracy: The Trial of the Chicago 8Movie | Abbie Hoffman | 39 |
| 1986 | L.A. LawSeries | Mitchell Schein | 38 |
| 1985 | Foley SquareSeries | Peter Newman | 37 |
| 1984 | Murder, She WroteSeries | Arnie Wakeman | 36 |
| 1984 | Crazy like a FoxSeries | Dr. Andy Farr | 36 |
| 1981 | DarkroomSeries | Barry | 33 |
| 1981 | Aloha ParadiseSeries | — | 33 |
| 1979 | The In-LawsMovie | Tommy Ricardo | 31 |
| 1978 | Having Babies IIIMovie | Russ Bridges | 30 |
| 1978 | The Boys in Company CMovie | Pvt. Vinnie Fazio | 30 |
| 1978 | The Bay City Rollers Meet the Saturday SuperstarsMovie | Kaptain Kool | 30 |
| 1977 | The Love BoatSeries | Joey | 29 |
| 1977 | What Really Happened to the Class of '65?Series | — | 29 |
| 1976 | Donny & MarieSeries | Self | 28 |
| 1976 | Mary Hartman, Mary HartmanSeries | Clete Meizenheimer | 28 |
| 1976 | The Krofft SupershowSeries | Kaptain Kool | 28 |
| 1975 | One Day at a TimeSeries | Max Horvath | 27 |
| 1975 | Barney MillerSeries | Det. Paul Gardeno | 27 |
| 1974 | Happy DaysSeries | — | 26 |
| 1973 | Blood SportMovie | Reuben | 25 |
| 1973 | A Summer Without BoysMovie | Burt | 25 |
| 1972 | The RookiesSeries | — | 24 |
| 1972 | Haunts of the Very RichMovie | Johnny Delmonico | 24 |
| 1971 | The Funny SideSeries | Teenage Husband | 23 |
| 1970 | The Partridge FamilySeries | Marc | 22 |
| 1969 | Gidget Grows UpMovie | Arnold | 21 |
| 1969 | Room 222Series | — | 21 |