| 2021 | Hollywood in the Atomic Age: Monsters! Martians! Mad Scientists! | Self (archive footage) | ★ 4.0 |
| 2018 | The Gilligan Manifesto | Himself | ★ 5.5 |
| 2001 | Surviving Gilligan's Island: The Incredibly True Story of the Longest Three Hour Tour in History | Himself | ★ 7.2 |
| 1988 | Blue Movies | Mr. Martin | ★ 5.0 |
| 1983 | Off the Wall | Mr. Whitby | ★ 3.0 |
| 1981 | The Harlem Globetrotters on Gilligan's Island | Professor | ★ 5.3 |
| 1980 | The Great Skycopter Rescue | Professor Benson | ★ 5.0 |
| 1979 | The Rebels | | ★ 0.0 |
| 1979 | The Castaways on Gilligan's Island | Professor | ★ 6.6 |
| 1978 | Rescue from Gilligan's Island | Professor Roy Hinkley, Jr. | ★ 4.7 |
| 1978 | The Bastard | Col. James Barrett | ★ 5.0 |
| 1978 | Irrtum ausgeschlossen | Captain | ★ 0.0 |
| 1978 | Der Geist von Flug 401 | Loft | ★ 5.7 |
| 1977 | MacArthur - Held des Pazifik | Admiral King | ★ 6.2 |
| 1977 | Nowhere to Hide | Charles Montague | ★ 5.0 |
| 1977 | Hitch Hike to Hell | Captain J.W. Shaw | ★ 5.5 |
| 1976 | Collision Course: Truman vs. MacArthur | Gen. George Stratemeyer | ★ 0.0 |
| 1975 | Die drei Tage des Condor | Intelligence Officer at Briefing (uncredited) | ★ 7.3 |
| 1975 | You Lie So Deep, My Love | The Foreman | ★ 1.0 |
| 1975 | Adventures of the Queen | Forbes | ★ 4.8 |
| 1974 | Aloha Means Goodbye | Dr. Frank Franklin | ★ 0.0 |
| 1974 | The Man from Independence | Linaver | ★ 0.0 |
| 1973 | Beg, Borrow...or Steal | Alex Langley | ★ 7.5 |
| 1973 | Dämonen über dem Atlantik | Jim Hawley | ★ 5.0 |
| 1970 | Jagd auf den Kinomörder | Cliff Thomas | ★ 6.5 |
| 1969 | Cry for Poor Wally | | ★ 0.0 |
| 1965 | Die größte Geschichte aller Zeiten | Scribe | ★ 6.4 |
| 1964 | Die blaue Eskadron | Captain Brinker | ★ 5.3 |
| 1958 | Bis zur letzten Patrone | Hook | ★ 5.6 |
| 1958 | Der Teufel holt sie alle | Sundance | ★ 5.4 |
| 1958 | The Space Children | Joe Gamble | ★ 4.0 |
| 1957 | Courage of Black Beauty | Ben Farraday | ★ 5.5 |
| 1957 | Rock All Night | Jigger | ★ 5.7 |
| 1957 | Attack of the Crab Monsters | Hank Chapman | ★ 5.1 |
| 1955 | Metaluna IV antwortet nicht | Steve Carlson | ★ 6.0 |
| 1955 | Aus dem Leben einer Ärztin | Shadduck | ★ 4.5 |
| 1955 | Ma and Pa Kettle at Waikiki | Eddie Nelson | ★ 6.8 |
| 1955 | Ein Mann liebt gefährlich | Banks | ★ 6.2 |
| 1954 | Black Tuesday | Howard Sloane | ★ 6.0 |
| 1954 | Männer, Mädchen und Motoren | Emory | ★ 5.0 |
| 1954 | Ritt mit dem Teufel | Jed Ringer | ★ 5.8 |
| 1953 | Drei waren Verräter | Lam Blandon | ★ 6.1 |
| 1953 | Die Nacht der Abrechnung | Greiner | ★ 6.0 |
| 1953 | Gefahr aus dem Weltall | George | ★ 6.3 |
| 1953 | Kolonne Süd | Biddle | ★ 6.0 |
| 1953 | Die Hand am Colt | Jimmy Johnson | ★ 4.8 |
| 1953 | Seminola | Lt. Hamilton | ★ 5.4 |
| 1952 | Back at the Front | Johnny Redondo - Smuggler | ★ 0.0 |
| 1952 | The Turning Point | Herman (uncredited) | ★ 6.3 |
| 1952 | Loan Shark | Charlie Thompson | ★ 5.8 |
| 1952 | Engel der Gejagten | Chuck-A-Luck Wheel Spinner (uncredited) | ★ 6.5 |
| 1952 | Grausame Richter | Ky Walker | ★ 5.6 |
