| Movie | Maurice's Symphony | Himself | 2017-01-31 |
| Movie | 509 Films: Volume 6 | Self | 2011-11-15 |
| Movie | I Married Wyatt Earp | Jacob Spiegler | 1983-01-10 |
| Movie | More Wild Wild West | Artemus Gordon | 1980-10-07 |
| Movie | The Return of Mod Squad | Buck Prescott | 1979-05-18 |
| Movie | Donovan's Kid | Mayor Stokes | 1979-01-07 |
| Movie | The Wild Wild West Revisited | Artemus Gordon | 1979-05-09 |
| Movie | Abraham's Sacrifice | Zingar | 1979-05-22 |
| Movie | Gulliver's Travels | Lemuel Gulliver (voice) | 1979-11-23 |
| Movie | Wild and Wooly | Otis Bergen | 1978-02-20 |
| Series | Vega$ | Unknown | 1978-09-20 |
| Series | Flying High | Unknown | 1978-09-29 |
| Movie | Yesterday's Child | John Talbot | 1977-02-03 |
| Series | The Robonic Stooges | Agent 000 / Count von Crankenstein | 1977-09-10 |
| Series | The All-New Super Friends Hour | 1977-09-10 | |
| Series | Gemini Man | Unknown | 1976-05-10 |
| Series | Charlie's Angels | Unknown | 1976-09-22 |
| Movie | Mitzi & 100 Guys | Self | 1975-03-24 |
| Series | Baretta | Unknown | 1975-01-17 |
| Series | Wonder Woman | Unknown | 1975-11-07 |
| Series | Ellery Queen | Unknown | 1975-09-11 |
| Movie | Skyway to Death | Martin Leonard | 1974-01-19 |
| Movie | Dying Room Only | Jim Cutler | 1973-09-18 |
| Movie | The Return of Charlie Chan | Charlie Chan | 1973-07-01 |
| Series | Sanford and Son | Unknown | 1972-01-14 |
| Movie | The Crooked Hearts | Serg. Daniel Shine | 1972-11-08 |
| Series | Sealab 2020 | 1972-09-09 | |
| Movie | The Sheriff | Larry Walters | 1971-03-30 |
| Series | Columbo | Dale Kingston | 1971-09-15 |
| Series | McCloud | Unknown | 1970-02-17 |
| Series | The Immortal | Unknown | 1970-09-24 |
| Series | Night Gallery | Unknown | 1970-12-16 |
| Series | Famous Classic Tales | Unknown | 1970-11-01 |
| Series | Rowan & Martin's Laugh-In | Unknown | 1968-01-22 |
| Series | Hawaii Five-O | Unknown | 1968-09-20 |
| Series | Ironside | Unknown | 1967-03-28 |
| Movie | The Man from Button Willow | Andy Svenson (voice) | 1965-04-03 |
| Movie | The Great Race | Rolfe Von Stuppe | 1965-07-01 |
| Series | The F.B.I. | Unknown | 1965-09-19 |
| Series | The Wild Wild West | Artemus Gordon | 1965-09-17 |
| Series | Vacation Playhouse | Unknown | 1963-07-22 |
| Movie | The Ceremony | Le Caq | 1963-12-18 |
| Movie | Experiment in Terror | Red Lynch | 1962-04-12 |
| Movie | Geronimo | Mangus | 1962-04-27 |
| Movie | Icarus Montgolfier Wright | 1962-08-22 | |
| Series | 87th Precinct | Unknown | 1961-09-25 |
| Series | Dr. Kildare | Unknown | 1961-09-27 |
| Series | One Step Beyond | Unknown | 1959-01-20 |
| Series | The Twilight Zone | Johnny Foster | 1959-10-02 |
| Series | Mr. Lucky | Andamo | 1959-10-24 |
| Movie | Underwater Warrior | Sgt. Joe O'Brien | 1958-02-14 |
| Series | Sea Hunt | Unknown | 1958-01-04 |
| Movie | The Colossus of New York | Dr. Jeremy 'Jerry' Spensser | 1958-06-18 |
| Series | Naked City | Unknown | 1958-09-30 |
| Series | Peter Gunn | Unknown | 1958-09-22 |
| Series | Bat Masterson | Unknown | 1958-10-08 |
| Series | Richard Diamond, Private Detective | Unknown | 1957-07-01 |
| Series | The Walter Winchell File | Unknown | 1957-10-02 |
| Movie | Conquest of Space | Andre Fodor | 1955-04-20 |
| Series | Gunsmoke | Unknown | 1955-09-10 |
| Series | General Electric Theater | Unknown | 1953-02-01 |
| Series | Hallmark Hall of Fame | Unknown | 1951-12-24 |
| Series | Search for Tomorrow | 1951-09-03 | |
| Series | Treasury Men in Action | 1950-09-11 | |
| Series | Suspense | Unknown | 1949-01-06 |
| Series | Lights Out | Unknown | 1949-07-19 |
| Series | The Philco Television Playhouse | Unknown | 1948-10-03 |
| Series | Studio One | Unknown | 1948-11-07 |