| Year | Title | Role | Notes |
| 1971–1972 | Search for Tomorrow | Bruce Carson | 2 episodes |
| 1974 | Remember When | Frankie Hodges | Television film |
| All the Kind Strangers | John |
| Virginia Hill | Leroy Small |
| 1975 | Death Be Not Proud | Johnny Gunther |
| 1976 | One Day at a Time | Ken Anderson | Episode: "The College Man" |
| The Last of Mrs. Lincoln | Tad Lincoln | Television film |
| 1977 | The Death of Richie | Richie Werner |
| Our Town | George Gibbs |
| 1982 | Two of a Kind | Noel 'Nolie' Minor | mw- Television filmNominated — Golden Globe Award for Best Performance by an Actor in a Miniseries or Motion Picture Made for Television |
| 1985 | California Girls | Nathan Bowzer | Television film |
| Alfred Hitchcock Presents | Ed | Episode: "Method Actor" |
| The Greatest Adventure: Stories from the Bible | David (voice) | Episode: "David and Goliath" |
| 1986 | Tough Cookies | Det. Cliff Brady | 6 episodes |
| David and Goliath | David (voice) | Video short |
| 1989 | For Jenny with Love | Bud | TV series |
| 1990 | The Hitchhiker | Bart Allen | Episode: "Tourist Trap" |
| 1991–1993 | The Legend of Prince Valiant | Prince Valiant (voice) | 65 episodes |
| 1991 | Evening Shade | Skeeter Hatfield | Episode: "Winning Isn't Everything" |
| 1992 | Sparkles | Blaze (voice) | Television film |
| Batman: The Animated Series | Wilkes (voice) | Episode: "P.O.V." |
| Wild West C.O.W.-Boys of Moo Mesa | Additional voices | 3 episodes |
| Homewrecker | David Whitson | Television film |
| Lincoln | William Stoddard (voice) |
| 1993 | Road to Avonlea | Jonathan Ravenhurst Blackwell | Episode: "The Disappearance" |
| At Home with the Webbers | Roger Swade | Television film |
| Precious Victims | Robert Sims |
| 1993–1994 | Exosquad | Lt./Lt. Cmdr J.T. Marsh (voice) | 52 episodes |
| 1994 | The Magic School Bus | Archibald Seedplot (voice) | Episode: "Goes to Seed" |
| 1996 | O. Henry's Christmas | Jim Dillingham Young | Television film |
| 1996 | Caroline in the City | Robby Benson | Episode: "Caroline and the Movie" |
| 1996–1997 | Sabrina the Teenage Witch | Edward Spellman | 2 episodes |
| 1997 | Seinfeld | Vincent (voice) | Episode: "The Comeback" |
| 2000 | The Christmas Lamb | Asah (voice) | Animated television film |
| 2001 | The Huntress | Dana Weatherly | Episode: "Who Are You?" |
| 2001–2002 | House of Mouse | The Beast/Prince Adam (voice) | 7 episodes |
| 2002–2003 | American Dreams | Professor Witt | 8 episodes |
| 2019 | A Feeling of Home | Wes Porter | Hallmark Channel Television Film |
| 2025 | Severance | Dr. Mauer | 4 episodes |
