| Movie | Black Dynamite | Captain Yancy | 2009-10-16 |
| Movie | Fast Girl | Willy | 2008-01-24 |
| Movie | Welcome To September | Mr. Taskey | 2005-03-24 |
| Movie | Demon Hunter | Cardinal White | 2005-06-01 |
| Movie | Wild Roomies | Mr. Seeley | 2004-01-01 |
| Movie | House of 1000 Corpses | Sheriff Frank Huston | 2003-04-11 |
| Movie | Crazy As Hell | Mr. Brennan | 2002-09-27 |
| Series | Ghost in the Shell: Stand Alone Complex | Unknown | 2002-10-01 |
| Movie | Inside: 'Dr. Strangelove or How I Learned to Stop Worrying and Love the Bomb' | Narrator | 2000-05-05 |
| Movie | The Art of Stanley Kubrick: From Short Films to Strangelove | Narrator (voice) (as William H. Bassett) | 2000-04-10 |
| Series | The Invisible Man | Unknown | 2000-06-09 |
| Movie | Ah! My Goddess: The Movie | God (voice) | 2000-10-21 |
| Series | Sabrina, the Teenage Witch | Uncle Roy | 1996-09-27 |
| Movie | Her Costly Affair | Ed Baines | 1996-10-28 |
| Movie | Spring Awakening | Ulf Anderson | 1994-11-06 |
| Movie | Ring of Fire II: Blood and Steel | Aaron | 1993-03-17 |
| Movie | Never Forget | Lewis Brandon | 1991-04-08 |
| Movie | The Hollywood Detective | Jerry Brazil (as William H. Bassett) | 1989-10-25 |
| Movie | The Case of the Hillside Stranglers | Dr. Watts | 1989-04-02 |
| Movie | Black Eagle | Dean Rickert | 1988-05-01 |
| Movie | Akira | Additional Voices (voice: Pioneer redub) | 1988-06-10 |
| Movie | The Naked Cage | Jordan | 1986-03-01 |
| Movie | Invaders from Mars | NASA Scientist | 1986-06-06 |
| Movie | Creator | Dr. Sutter | 1985-09-20 |
| Movie | The Karate Kid | Mr. Mills | 1984-06-22 |
| Movie | Sam's Son | Mr. Turner | 1984-08-17 |
| Movie | Moonlight | Tappan Zee Man | 1982-09-14 |
| Movie | Thornwell | C.I.C. Agent | 1981-01-28 |
| Movie | The Kids Who Knew Too Much | Policeman | 1980-04-29 |
| Movie | Old Boyfriends | David Brinks | 1979-03-22 |
| Movie | Return from Witch Mountain | Operations Officer | 1978-03-10 |
| Movie | The Bastard | British Officer | 1978-05-22 |
| Movie | Perfect Gentlemen | Southern Man | 1978-03-14 |
| Movie | Keefer | The Sergeant | 1978-03-16 |
| Movie | The Night They Took Miss Beautiful | Smitty | 1977-10-24 |
| Movie | Lucky Lady | Charley | 1975-12-25 |
| Movie | The Towering Inferno | Leading Agent | 1974-12-14 |
| Movie | Unwed Father | Principal | 1974-02-27 |
| Movie | The Cloning of Clifford Swimmer | 1974-11-01 | |
| Movie | The Lie | Army Major | 1973-04-24 |
| Movie | Another Part of the Forest | Bagtry | 1972-10-02 |
| Movie | The Grasshopper | Aaron | 1970-05-27 |
| Series | Nancy | Secret Service Agent Turner | 1970-09-17 |
| Movie | A Time for Dying | The Southerner | 1969-09-15 |
| Series | The Outcasts | 1968-09-23 | |
| Movie | The Journey of the Fifth Horse | Rubin / Narvinsky | 1966-10-14 |
| Series | Bewitched | Unknown | 1964-09-17 |
| Movie | The Tempest | Ferdinand | 1960-02-03 |