01)
Geld fällt vom Himmel (1938)
... alternative: Kleines Mädchen - Große Liebe
... alternative: Tüchtig, tüchtig - die Pasemanns
02)
Hotel Sacher (1939) .... Liftboy
03)
Leinen aus Irland (1939) .... Bellhop (uncredited)
... alternative: Linen for Ireland
04)
Der Engel mit der Posaune (1948) .... Hermann Alt
05)
Eroica (1949) .... Karl
06)
The Angel with the Trumpet (1950) .... Herman Alt
07)
Das Gestohlene Jahr (1950) .... Peter Brück
08)
Ruf aus dem Äther* (1951) .... Student
09)
The Wonder Kid (1951) .... Rudi
... alternative: Entführung ins Glück
... alternative: Das Wunderkind
... alternative: Wonder Boy
10)
Ein Lächeln in Sturm* (1951) .... (German Version)
... alternative: A Smile in the Storm
... alternative: Un sourire dans la tempête
11)
Decision Before Dawn (1951) .... Cpl. Karl Maurer aka Happy
... alternative: Entscheidung vor Morgengrauen
12)
Der Letzte Akt (1955) .... Hauptmann (Captain) Wüst
... alternative: Hitler: The Last Ten Days
... alternative: Last Ten Days of Adolf Hitler
... alternative: Ten Days to Die
... alternative: The Last Act
13)
Spionage (1955) .... Leutnant Zeno von Baumgarten
... alternative: Oberst Redl
14)
Mozart (1955) .... Wolfgang Amadeus Mozart
... alternative: Reich mir die Hand, mein Leben
... alternative: The Life and Loves of Mozart
15)
Lola Montès (1955) .... Student
... alternative: Lola Montez
... alternative: The Sins of Lola Montes
16)
Ein gewisser Judas (1958) (TV) .... Judas
17)
Jules et Jim (1962) (as Oscar Werner) .... Jules
... alternative: Jules and Jim
18)
Torquato Tasso (1964)(TV) .... Torquato Tasso
19)
Ship of Fools (1965) .... Willie Schumann, Ship's Doctor
... alternative: Das Narrenschiff
20)
The Spy Who Came In from the Cold (1965) .... Fiedler
... alternative: Der Spion, der aus der Kälte kam
21)
Fahrenheit 451 (1966) .... Guy Montag
22)
Interlude (1968) .... Stefan Zelter
... alternative: Zwischenspiel
23)
The Shoes Of The Fisherman (1968).... Father David Telemond
... alternative: In den Schuhen des Fischers
24)
Columbo - Playback (1975) (TV) .... Harold Van Wick
25)
Voyage of the Damned (1976) .... Dr. Egon Kreisler
... alternative: Reise der Verdammten
* Film presumedly lost.