Known For:
Acting
Birthday:
December 16, 1895
Place of Birth:
Waldkirch, Baden-Württemberg, Germany
| Year | Movie | Role |
|---|---|---|
| 1966 | Spy Smasher Returns | Col. Von Kahr |
| 1963 | The Prize | Mr. Rolfe Bergh - Chaperon |
| 1963 | Decision at Midnight | |
| 1962 | The Pigeon That Took Rome | Col. Wilhelm Krafft |
| 1961 | On the Double | Oberkommandant |
| 1959 | A Private's Affair | Dr. Leyden |
| 1958 | She Demons | Col. Karl Osler |
| 1958 | Frankenstein 1970 | Wilhelm Gottfried |
| 1954 | Magnificent Obsession | Dr. Albert Fuss |
| 1954 | King Richard and the Crusaders | Austrian Knight (uncredited) |
| 1954 | A Star Is Born | Mr. Ettinger (uncredited) |
| 1954 | Jungle Gents | Dr. Goebbel |
| 1954 | The Snow Creature | Dr. Louis DuPont |
| 1954 | Silver Needle in the Sky | Dr. Loran |
| 1953 | South Sea Woman | Capt. van Dorck |
| 1953 | Captain Scarface | Dr. Yeager |
| 1953 | Phantom from Space | Dr. Wyatt |
| 1951 | Target Unknown | Doctor (uncredited) |
| 1950 | Kill or Be Killed | Gregory Marek |
| 1949 | Act of Violence | German (voice) (uncredited) |
| 1946 | Under Nevada Skies | Alberti |
| 1946 | Dangerous Millions | Rudolph Busch |
| 1945 | Counter-Attack | Stillman |
| 1945 | Escape in the Desert | Hoffman |
| 1942 | To Be or Not to Be | Gestapo Sergeant at Desk at Top of Hotel Stairs (uncredited) |
| 1942 | Sherlock Holmes and the Secret Weapon | Braun (uncredited) |
| 1942 | The Phantom Plainsmen | Colonel Eric Hartwig (as Robert O. Davis) |
| 1942 | Spy Smasher | Col. Von Kohr |
| 1942 | The Secret Code | Rudi Thysson |
| 1942 | The Pied Piper | Lieutenant |
| 1942 | Nazi Agent | Cab Driver (uncredited) |
| 1942 | Junior Army | Horner - Nazi Saboteur (as Robert O. Davis) |
| 1942 | Riders of the Northland | Agent (as Robert O. Davis) |
| 1942 | Eagle Squadron | German Squad Leader |
| 1942 | The Great Impersonation | Karl Hofmann |
| 1942 | The Devil with Hitler | Nazi Officer at Hitler's filmed Speech (uncredited) |
| 1942 | Desperate Journey | Kruse |
| 1941 | Mr. Dynamite | Frederick the Butler |
| 1941 | King of the Texas Rangers | His Excellency |
| 1941 | Down in San Diego | Henry Schrode |
| 1941 | Underground | Official |
| 1941 | A Dangerous Game | Dr. Fleming |
| 1940 | The Great Dictator | Tomanian Commandant at Osterlich / Robert O. Davis |
| 1940 | The Mortal Storm | Gestapo Official Hartman |
| 1940 | Arise, My Love | Prussian Officer (Uncredited) |
| 1940 | Knute Rockne All American | Elder in Norway (uncredited) |
| 1940 | The Man I Married | Storm Trooper |
| 1940 | Meet the Wildcat | Feral--Henchman |
| 1939 | Espionage Agent | Paul Strawn (as Robert O. Davis) |
| 1939 | Confessions of a Nazi Spy | Captain Straubel |
| 1939 | Escape to Paradise | Alexander Komac |
| 1939 | Pack Up Your Troubles | Von Richtman |
| 1939 | The Mad Empress | Herzfeld |
| 1938 | That Mothers Might Live | Doctor (uncredited) |
| 1937 | Champagne Waltz | Emperor Franz Joseph |
| 1936 | We're in the Legion Now | Sgt. Groeber |
| 1935 | Rendezvous | Radio Operator (uncredited) |
| 1935 | Last of the Pagans | Superintendant's Assistant (uncredited) |
| 1935 | Here's to Romance | Violinist |
| 1934 | Stamboul Quest | Karl (as Rudolph Amendt) |
| 1934 | The Fountain | Geof Van Leyden |
| 1934 | Hell in the Heavens | Lt. Schroeder (as Rudolph Amendt) |
| Year | TV Show | Role |
|---|---|---|
| 1967 | Garrison's Gorillas | |
| 1962 | Saints and Sinners | Otto Masuis |
| 1959 | One Step Beyond | Josef |
| 1959 | The Rebel | Frank Gottwald |
| 1959 | One Step Beyond | Dr. Heinrick Swansen |
| 1958 | 77 Sunset Strip | |
| 1957 | The Walter Winchell File | |
| 1955 | Alfred Hitchcock Presents | Cafe Host |
| 1952 | Adventures of Superman | |
| 1952 | Dangerous Assignment | |
| 1952 | Adventures of Superman | Dr. Rudolf Albrecht |
| 1950 | Space Patrol |