| 2022 | Mystery Reel | | ★ 0.0 |
| 2014 | Gettysburg - An American Story | Narrator | ★ 0.0 |
| 2009 | What a Difference a Day Made - Doris Day Superstar | Self | ★ 7.7 |
| 2005 | Christmas with the Mormon Tabernacle Choir and Orchestra at Temple Square Featuring Audra McDonald and Peter Graves | Self | ★ 10.0 |
| 2004 | The 50 Worst Movies Ever Made | Dr. Doug Paul Martin (archive footage) | ★ 4.6 |
| 2004 | Behind the Legend: Timon | Himself - Host | ★ 0.0 |
| 2003 | America on the Move 1876-2000 | Host | ★ 0.0 |
| 2003 | Looney Tunes: Back in Action | Host of Civil Defense Film | ★ 6.3 |
| 2002 | Men in Black II | Peter Graves | ★ 6.4 |
| 2001 | These Old Broads | Bill | ★ 6.1 |
| 1999 | Haunted Hill | Himself | ★ 5.6 |
| 1999 | Linda Darnell: Hollywood's Fallen Angel | Narrator | ★ 0.0 |
| 1999 | Gene Tierney: A Shattered Portrait | Self - Host | ★ 1.0 |
| 1998 | Doris Day: It's Magic | Narrator | ★ 0.0 |
| 1998 | Charlie Chaplin: A Tramp's Life | Self - Narrator | ★ 0.0 |
| 1997 | Mother Teresa: A Life of Devotion | Self - Host | ★ 0.0 |
| 1996 | Shirley Temple: The Biggest Little Star | Narrator | ★ 0.0 |
| 1996 | Jerry Lewis: The Last American Clown | Host | ★ 6.0 |
| 1996 | William Shakespeare: A Life of Drama | | ★ 0.0 |
| 1996 | Abbott & Costello Meet Biography | Self - Host | ★ 0.0 |
| 1995 | Darryl F. Zanuck: 20th Century Filmmaker | Self - Host | ★ 4.0 |
| 1995 | Betty Boop: Queen of the Cartoons | Self - Narrator (voice) | ★ 8.0 |
| 1994 | The Unexplained: Witches, Werewolves & Vampires | Host | ★ 0.0 |
| 1994 | Marilyn Monroe: The Mortal Goddess | Self - Host | ★ 6.8 |
| 1993 | Die Addams Family in verrückter Tradition | Host | ★ 7.0 |
| 1989 | Mission: Impossible - The Golden Serpent | Jim Phelps | ★ 0.0 |
| 1987 | Platinum Bombshell | Narrator | ★ 0.0 |
| 1987 | Number One with a Bullet | Capt. Ferris | ★ 4.2 |
| 1986 | The Demon Lover | Ponsonby | ★ 0.0 |
| 1984 | Mad Mission 3 - Unser Mann von Bond Street | Tom Collins | ★ 5.6 |
| 1983 | The Guns and the Fury | Mark Janser | ★ 0.0 |
| 1982 | Die unglaubliche Reise in einem verrückten Raumschiff | Capt. Clarence Oveur | ★ 6.1 |
| 1982 | Und Savannah lächelt | Harland Dobbs | ★ 6.4 |
| 1981 | 300 Miles for Stephanie | Capt. McIntyre | ★ 0.0 |
| 1980 | Die unglaubliche Reise in einem verrückten Flugzeug | Capt. Clarence Oveur | ★ 7.3 |
| 1980 | The Memory of Eva Ryker | Mike Rogers | ★ 6.0 |
| 1980 | Steve Martin: Comedy Is Not Pretty | TV Director | ★ 6.5 |
| 1979 | Die Todesfalle auf dem Highway | Lt. Haller | ★ 5.3 |
| 1979 | Die Saat des Wahnsinns | Jeff Knight | ★ 4.4 |
| 1979 | The Rebels | George Washington | ★ 0.0 |
| 1979 | Spree - Tödliches Wochenende | Kandaris | ★ 2.7 |
| 1979 | Missile X - Geheimauftrag Neutronenbombe | Alec Franklin | ★ 2.8 |
| 1978 | Race for Survival | Narrator | ★ 0.0 |
| 1977 | High Seas Hijack | Elliott Rhoades | ★ 10.0 |
| 1977 | Todesflug | Paul Whitley | ★ 5.3 |
| 1976 | The Mysterious Monsters | Himself - Narrator | ★ 5.8 |
| 1975 | Sidecar Racers | Carson | ★ 2.5 |
| 1975 | Dead Man on the Run | Jim Gideon | ★ 6.0 |
| 1974 | Where Have All the People Gone | Steven Anders | ★ 6.0 |
| 1974 | The Underground Man | Lew Archer | ★ 5.0 |
| 1974 | Paul und Michelle | Sir Henry | ★ 5.5 |
| 1974 | Scream of the Wolf | John Wetherby | ★ 6.2 |
| 1973 | The President's Plane Is Missing | Mark Jones | ★ 6.2 |
| 1973 | Call to Danger | Doug Warfield | ★ 0.0 |
| 1970 | Die letzten Abenteurer | Trustee Banker | ★ 4.5 |
| 1970 | Mission: Impossible - The Falcon | James Phelps | ★ 0.0 |
| Darkstar: Terror at The Edge of Time | Narrator | ★ 0.0 |
| Aliens from Space | Doug Martin | ★ 0.0 |
| 1969 | Mission: Impossible vs. the Mob | Jim Phelps | ★ 10.0 |
| 1969 | Die fünf Gefürchteten | Dutchman | ★ 6.7 |
| 1969 | Mission: Impossible - The Controllers | Jim Phelps | ★ 0.0 |
| 1969 | Mörder GmbH | Dragomiloff's Butler (uncredited) | ★ 6.6 |
| 1969 | Mission: Impossible - The Bunker | James Phelps | ★ 0.0 |
| 1968 | The Dean Martin Christmas Show | Self (uncredited) | ★ 7.6 |
| 1968 | Das Teufelsweib von Texas | Jason Meredith | ★ 5.7 |
| 1968 | Hängt den Verräter | Maj. Whitaker | ★ 6.5 |
| 1968 | The Movie Orgy | Self (archive footage) | ★ 6.5 |
| 1967 | I'll Never Forget What's'isname | Bankman | ★ 5.6 |
| 1967 | Mission: Impossible - The Slave | Jim Phelps | ★ 0.0 |
| 1967 | Valley of Mystery | Ben Barstow | ★ 5.0 |
| 1966 | Gallegher Goes West | Marshal Neimeyer | ★ 0.0 |
| 1966 | Zwei tolle Kerle in Texas | Capt. Stimpson | ★ 5.6 |
| 1965 | Nymphomania | Jack Hollister | ★ 4.7 |
| 1959 | Ein Fremder in meinen Armen | Donald Beasley | ★ 2.3 |
| 1958 | Der Seewolf | Van Weyden | ★ 0.0 |
| 1957 | Tod in kleinen Dosen | Agent / Tom Kaylor | ★ 5.0 |
| 1957 | Beginning of the End | Dr. Ed Wainwright | ★ 3.8 |
| 1957 | Bayou | Martin Davis | ★ 2.6 |
| 1956 | Schlucht des Grauens | Bob Andrews | ★ 6.4 |
| 1956 | Teufelskommando | Lt. Lee Couzens | ★ 6.3 |
| 1956 | It Conquered the World | Dr. Paul Nelson | ★ 4.8 |
| 1955 | Verdammt zum Schweigen | Capt. Bob Elliott | ★ 6.8 |
| 1955 | Fury | Jim Newton | ★ 0.0 |
| 1955 | Fort Yuma | Lt. Ben Keegan | ★ 5.2 |
| 1955 | Nackte Straßen | Joe McFarland | ★ 6.1 |
| 1955 | Die Nacht des Jägers | Ben Harper | ★ 7.9 |
| 1955 | Wichita | Morgan Earp | ★ 6.3 |
| 1955 | Desperados | Heesman | ★ 5.8 |
| 1955 | Mit Leib und Seele | Corporal Rudolph Heinz | ★ 7.0 |
| 1954 | Black Tuesday | Peter Manning | ★ 6.0 |
| 1954 | Unter zwei Flaggen | Capt. Frank Dwyer | ★ 6.5 |
| 1954 | Die Hand am Abzug | Sawyer | ★ 6.0 |
| 1954 | Killers from Space | Douglas Martin | ★ 3.7 |
| 1953 | Das Höllenriff | Arnold Dix | ★ 5.9 |
| 1953 | Im Tal des Verderbens | Trooper Tolson | ★ 5.5 |
| 1953 | Gefangene des Dschungels | Cowboy | ★ 5.2 |
| 1953 | Stalag 17 | Sgt. Frank Price | ★ 7.7 |
| 1952 | Endstation Mars | Chris Cronyn | ★ 4.7 |
| 1952 | The Congregation | | ★ 0.0 |
| 1951 | Angels in the Outfield | Radio Announcer (uncredited) | ★ 6.7 |
| 1951 | Keine Gnade für Johnny T. | Ned Tallon | ★ 6.3 |
| 1951 | Rogue River | Pete Dandridge | ★ 0.0 |
