Filmography54 titles
| Year | Title | Character | Age at release |
|---|---|---|---|
| 2022 | Lucy and DesiMovie | Self | 69 |
| 2000 | Altman on His Own TermsMovie | Self | 47 |
| 2000 | Lucille Ball: Finding LucyMovie | Self (archive footage) | 47 |
| 1996 | E! True Hollywood StorySeries | Himself | 43 |
| 1993 | Lucy and Desi: A Home MovieMovie | Self | 40 |
| 1992 | The Mambo KingsMovie | Desi Arnaz Sr. | 39 |
| 1987 | Paul Reiser: Out on a WhimMovie | — | 34 |
| 1986 | MatlockSeries | Michael Porter | 33 |
| 1983 | House of the Long ShadowsMovie | Kenneth Magee | 30 |
| 1983 | AutomanSeries | Walter Nebicher | 30 |
| 1982 | Fake-OutMovie | Det. Clint Morgan | 29 |
| 1982 | I Love LibertyMovie | Self | 29 |
| 1981 | Advice to the LovelornMovie | Steve Vernon | 28 |
| 1980 | The Night the Bridge Fell DownMovie | Johnny Pyle | 27 |
| 1980 | GridlockMovie | Robbie Reinhardt | 27 |
| 1979 | Black Market BabyMovie | Steve Aletti | 26 |
| 1979 | Crisis in Mid-AirMovie | Tim Donovan | 26 |
| 1978 | How to Pick Up Girls!Movie | Robby Harrington | 25 |
| 1978 | Fantasy IslandSeries | Barney Hunter | 25 |
| 1978 | To Kill a CopSeries | Martin Delahanty | 25 |
| 1978 | To Kill a CopMovie | Martin Delahanty | 25 |
| 1978 | A WeddingMovie | Dino Corelli | 25 |
| 1978 | The Courage and the PassionMovie | Sgt. Tom Wade | 25 |
| 1977 | The Love BoatSeries | Steve Hollis | 24 |
| 1977 | Flight to HolocaustMovie | Rick Bender | 24 |
| 1977 | JoyrideMovie | Scott | 24 |
| 1976 | Donny & MarieSeries | Self | 23 |
| 1976 | Having BabiesMovie | Frank Gorman | 23 |
| 1975 | Saturday Night LiveSeries | Self - Musical Guest | 22 |
| 1975 | Medical StorySeries | Jerry Mitchell | 22 |
| 1974 | Dinah!Series | Self | 21 |
| 1973 | Police StorySeries | — | 20 |
| 1973 | Voyage of the YesMovie | Cal Markwell | 20 |
| 1973 | MarcoMovie | Marco Polo | 20 |
| 1972 | The Streets of San FranciscoSeries | B.J. Palmer | 19 |
| 1971 | Red Sky at MorningMovie | William 'Steenie' Stenopolous | 18 |
| 1971 | Mr. and Mrs. Bo Jo JonesMovie | Bo Jo Jones | 18 |
| 1970 | Night GallerySeries | Doran (segment "Death in the Family") | 17 |
| 1969 | Medical CenterSeries | — | 16 |
| 1969 | Love, American StyleSeries | Alan | 16 |
| 1969 | The Brady BunchSeries | — | 16 |
| 1968 | The Mod SquadSeries | Vincent Emory | 15 |
| 1968 | Here's LucySeries | Craig Carter | 15 |
| 1967 | The Mothers-in-LawSeries | Tommy | 14 |
| 1966 | Murderers' RowMovie | Self | 13 |
| 1966 | The Carol Channing ShowSeries | Tango Dancer | 13 |
| 1962 | The Merv Griffin ShowSeries | Self | 9 |
| 1962 | The Lucy ShowSeries | Billy Simmons (uncredited) | 9 |
| 1962 | The Tonight Show Starring Johnny CarsonSeries | Self | 9 |
| 1961 | The Mike Douglas ShowSeries | Self | 8 |
| 1957 | Tonight Starring Jack PaarSeries | Self | 4 |
| 1956 | The Dinah Shore Chevy ShowSeries | Self | 3 |
| 1951 | I Love LucySeries | Spectator at Unveiling (uncredited) | — |
| 1944 | Golden Globe AwardsSeries | Self - Presenter | — |