1966 | Spy Smasher Returns | Col. Von Kahr | ★ 8.0 |
1963 | Kein Lorbeer für den Mörder | Mr. Rolfe Bergh - Chaperon | ★ 6.8 |
1963 | Decision at Midnight | | ★ 6.0 |
1962 | Es begann in Rom | Col. Wilhelm Krafft | ★ 5.3 |
1961 | General Pfeifendeckel | Oberkommandant | ★ 6.9 |
1959 | Das gibt's nur in Amerika | Dr. Leyden | ★ 1.0 |
1958 | Die Hexenküche des Dr. Rambow | Wilhelm Gottfried | ★ 5.4 |
1958 | She Demons | Col. Karl Osler | ★ 4.6 |
1954 | The Snow Creature | Dr. Louis DuPont | ★ 2.8 |
1954 | Ein neuer Stern am Himmel | Mr. Ettinger (uncredited) | ★ 7.1 |
1954 | Jungle Gents | Dr. Goebbel | ★ 4.0 |
1954 | Die wunderbare Macht | Dr. Albert Fuss | ★ 6.8 |
1954 | Der Talisman | Austrian Knight (uncredited) | ★ 6.3 |
1954 | Silver Needle in the Sky | Dr. Loran | ★ 4.5 |
1953 | Captain Scarface | Dr. Yeager | ★ 4.7 |
1953 | Flucht aus Shanghai | Capt. van Dorck | ★ 5.4 |
1953 | Phantom from Space | Dr. Wyatt | ★ 4.5 |
1951 | Target Unknown | Doctor (uncredited) | ★ 0.0 |
1950 | Kill or Be Killed | Gregory Marek | ★ 5.7 |
1949 | Akt der Gewalt | German (voice) (uncredited) | ★ 6.9 |
1946 | Dangerous Millions | Rudolph Busch | ★ 4.8 |
1946 | Under Nevada Skies | Alberti | ★ 5.0 |
1945 | Escape in the Desert | Hoffman | ★ 0.0 |
1945 | Counter-Attack | Stillman | ★ 6.0 |
1942 | Die Geheimwaffe | Braun (uncredited) | ★ 6.3 |
1942 | The Great Impersonation | Karl Hofmann | ★ 5.8 |
1942 | Junior Army | Horner - Nazi Saboteur (as Robert O. Davis) | ★ 5.7 |
1942 | The Devil with Hitler | Nazi Officer at Hitler's filmed Speech (uncredited) | ★ 5.2 |
1942 | Sabotageauftrag Berlin | Kruse | ★ 5.8 |
1942 | The Secret Code | Rudi Thysson | ★ 5.1 |
1942 | Der Rattenfänger von Hameln | Lieutenant | ★ 6.8 |
1942 | Riders of the Northland | Agent (as Robert O. Davis) | ★ 0.0 |
1942 | The Phantom Plainsmen | Colonel Eric Hartwig (as Robert O. Davis) | ★ 6.0 |
1942 | Eagle Squadron | German Squad Leader | ★ 0.0 |
1942 | Spy Smasher | Col. Von Kohr | ★ 5.8 |
1942 | Sein oder Nichtsein | Gestapo Sergeant at Desk at Top of Hotel Stairs (uncredited) | ★ 7.8 |
1942 | Nazi Agent | Cab Driver (uncredited) | ★ 6.6 |
1941 | King of the Texas Rangers | His Excellency | ★ 6.0 |
1941 | A Dangerous Game | Dr. Fleming | ★ 5.0 |
1941 | Down in San Diego | Henry Schrode | ★ 5.5 |
1941 | Underground | Official | ★ 6.1 |
1941 | Mr. Dynamite | Frederick the Butler | ★ 0.0 |
1940 | Arise, My Love | Prussian Officer (Uncredited) | ★ 6.1 |
1940 | Meet the Wildcat | Feral--Henchman | ★ 0.0 |
1940 | Der große Diktator | Tomanian Commandant at Osterlich / Robert O. Davis | ★ 8.3 |
1940 | Knute Rockne All American | Elder in Norway (uncredited) | ★ 6.0 |
1940 | The Man I Married | Storm Trooper | ★ 6.3 |
1940 | Tödlicher Sturm | Gestapo Official Hartman | ★ 7.2 |
1939 | Escape to Paradise | Alexander Komac | ★ 4.2 |
1939 | The Mad Empress | Herzfeld | ★ 5.6 |
1939 | Pack Up Your Troubles | Von Richtman | ★ 6.2 |
1939 | Geheimagenten | Paul Strawn (as Robert O. Davis) | ★ 5.9 |
1939 | Ich war ein Spion der Nazis | Captain Straubel | ★ 6.1 |
1938 | That Mothers Might Live | Doctor (uncredited) | ★ 5.9 |
1937 | Champagne Waltz | Emperor Franz Joseph | ★ 0.0 |
1936 | We're in the Legion Now | Sgt. Groeber | ★ 4.0 |
1935 | Last of the Pagans | Superintendant's Assistant (uncredited) | ★ 6.0 |
1935 | Spione küßt man nicht | Radio Operator (uncredited) | ★ 4.8 |
1935 | Here's to Romance | Violinist | ★ 0.0 |
1934 | Hell in the Heavens | Lt. Schroeder (as Rudolph Amendt) | ★ 4.7 |
1934 | The Fountain | Geof Van Leyden | ★ 9.5 |
1934 | Jagd durch Istanbul | Karl (as Rudolph Amendt) | ★ 5.4 |