JM
Filmography
| 2021 | Candy Coated Christmas · as Fred Gallant |
| 2017 | David's Dinosaur · as Professor Henry Longbottom |
| 2007 | The Invincible Iron Man · as Howard Stark (voice) |
| 2003 | Arrested Development (TV Series) · as "scandal Makers" Narrator |
| 2001 | Epoch · as The President |
| 1997 | Scorned 2 · as Dr. Greenfield |
| 1993 | Acapulco H.E.A.T. (TV Series) · as Lyle Decker |
| 1991 | The New WKRP in Cincinnati (TV Series) · as George |
| 1987 | The Bold and the Beautiful (TV Series) · as Eric Forrester |
| 1986 | L.A. Law (TV Series) · as Barry Graham |
| 1986 | Our House (TV Series) · as Mr. Cathcart |
| 1986 | Sidekicks (TV Series) |
| 1986 | Blacke's Magic (TV Series) |
| 1985 | New Love, American Style (TV Series) · as Cast |
| 1985 | Beverly Hills Cowgirl Blues · as Dr. Kenner |
| 1985 | Amazing Stories (1985) (TV Series) · as Jerry Lane |
| 1985 | Moonlighting (TV Series) · as Robert |
| 1985 | Code Name: Foxfire (TV Series) · as Larry Hutchins |
| 1985 | Robert Kennedy and His Times (TV Series) · as Interrogator |
| 1984 | Murder, She Wrote (TV Series) · as Harrison Fraser Iii |
| 1984 | Highway to Heaven (TV Series) |
| 1984 | Jeopardy! (TV Series) · as Eric - Clue Giver |
| 1983 | Masquerade (TV Series) |
| 1983 | For Love and Honor (TV Series) · as Cast |
| 1983 | Hotel (TV Series) |
| 1983 | The New Leave It to Beaver (TV Series) · as Captain James |
| 1982 | Newhart (TV Series) |
| 1982 | Remington Steele (TV Series) · as Norman Austin |
| 1982 | Matt Houston (TV Series) |
| 1982 | Family Ties (TV Series) · as Tuxedo Man |
| 1981 | Simon & Simon (TV Series) |
| 1981 | Love, Sidney (TV Series) · as Cast |
| 1981 | Harper Valley P.T.A. (TV Series) · as Calvin Kendall |
| 1981 | Hill Street Blues (TV Series) |
| 1981 | Dynasty (TV Series) |
| 1980 | Magnum, P.I. (TV Series) · as Roland Martine, Prince Of Turbia |
| 1980 | Too Close for Comfort (TV Series) · as Buck Krulik |
| 1979 | Trapper John, M.D. (TV Series) |
| 1979 | Hart to Hart (TV Series) |
| 1978 | Diff'rent Strokes (TV Series) |
| 1977 | Once Upon a Brothers Grimm · as Prince Charming |
| 1977 | CHiPs (TV Series) |
| 1977 | The Love Boat (TV Series) · as Mark Bridges |
| 1977 | Fantasy Island (TV Series) · as Captain Fitzhugh Ross |
| 1976 | Three's Company (TV Series) · as Alan |
| 1976 | Alice (TV Series) |
| 1973 | The Young and the Restless (TV Series) · as Eric Forrester |
| 1971 | O'Hara, U.S. Treasury (TV Series) · as Captain Shafer |
| 1970 | There Was a Crooked Man... · as Deputy |
| 1969 | Bracken's World (TV Series) · as Wounded G.i. |
| 1968 | The Name of the Game (TV Series) · as Young Detective |
| 1967 | First to Fight · as Ford |
| 1967 | Dragnet (TV Series) · as Ed Hillier |
| 1965 | Hank (TV Series) |
| 1965 | Mister Roberts (TV Series) |
| 1965 | Run for Your Life (TV Series) · as Buck |
| 1965 | My Blood Runs Cold · as Owen Farley |
| 1964 | No Time for Sergeants (TV Series) · as Airman |