| Film | Rolle | Jahr | Rev. | Ø |
|---|
| Mississippi-Melodie (Show Boat) | Extra | 1951 | 2 | 3.5 |
| Ehen zu dritt (Alta infedeltà) | Ronald (segment "Scandaloso") | 1964 | | |
| Die Russen kommen! Die Russen kommen! (The Russians Are Coming, The Russians Are Coming) | Alexei Kolchin | 1965 | 4 | 4.5 |
| Von Mann zu Mann (Da uomo a uomo) | Bill Meceita | 1967 | 6 | 5.17 |
| Morgen ist ein neuer Tag (Hurry Sundown) | Rad McDowell | 1967 | | |
| Skidoo | Stash | 1968 | | |
| Barbarella | Pygar | 1968 | 16 | 3.88 |
| Gefahr: Diabolik (Diabolik) | Diabolik | 1968 | 2 | 4.5 |
| Herrscher der Insel (The Hawaiians) | Noel Hoxworth | 1970 | 2 | 5 |
| Der Kurier des Zaren (Strogoff) | Michel Strogoff | 1970 | | |
| The Last Movie | Little Brother | 1971 | 1 | 2 |
| Manfred von Richthofen - Der rote Baron (Von Richthofen And Brown) | Baron Manfred von Richthofen | 1971 | 1 | 5 |
| Sindbads gefährliche Abenteuer (The Golden Voyage Of Sinbad) | Sinbad | 1973 | 7 | 4.57 |
| Open Season - Jagdzeit (Open Season (1974)) | Greg | 1974 | 2 | 5 |
| Das Geheimnis der Wendeltreppe (The Spiral Staircase (1975)) | Steven | 1975 | | |
| Die Öl-Piraten (Docteur Justice) | Dr. Benjamin Justice | 1975 | 1 | 4 |
| A Whisper in the Dark (Un sussurro nel buio) | Alex | 1976 | | |
| Treffpunkt Todesbrücke (The Cassandra Crossing) | Major Stack | 1976 | 6 | 4 |
| L'occhio dietro la parete | Arturo | 1977 | | |
| Auf der Fährte des Tigers (Target Of An Assassin) | Shannon | 1977 | | |
| Der Schimmelreiter | Hauke Haien | 1978 | 1 | 4 |
| Ring of Darkness (Un'ombra nell'ombra) | Exorcist | 1979 | | |
| Tarzan, Herr des Urwalds (Tarzan The Ape Man (1981)) | Harry Holt | 1981 | 7 | 1.43 |
| Die grünen Teufel vom Mekong (Attack Force Z) | Lieutenant J.A. (Jan) Veitch | 1981 | 2 | 4.5 |
| Jäger der Apokalypse 2 - Zurück in's Inferno (American Commandos) | Kelly | 1985 | | |
| Night Train To Terror | Harry Billings (segment "The Case of Harry Billings") | 1985 | 2 | 4.5 |
| Blood Moon (Moon In Scorpio) | Allen | 1987 | 1 | 3 |
| Ein Mann geht durch die Hölle (Striker) | Frank Morris | 1987 | 1 | 3 |
| Johann Strauss - Der ungekrönte König (Johann Strauss - Der König ohne Krone) | Maximilian Steiner, Stage Manager | 1987 | 2 | 3 |
| Blood Delirium (Delirio di sangue) | Saint Simon | 1988 | 1 | 4 |
| Thunder 3 (Thunder III) | Sheriff Jeff | 1988 | | |
| Runaway Flight (A Case Of Honor) | Capt. Roger L. Barnes | 1989 | 1 | 1 |
| Alienator - Der Vollstrecker aus dem All (Alienator) | Ward Armstrong | 1990 | 2 | 2 |
| Brennendes Herz | Böhme | 1996 | | |
| Wanted (Wanted (1999)) | 1. Verfolger | 1999 | 2 | 3.5 |
| Die drei Gesichter des Terrors (I tre volti del terrore) | Professor Peter Price | 2004 | 1 | 5 |
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