Acting
Born: 1895-12-16 in Waldkirch, Baden-Württemberg, Germany
Died: 1987-03-27
The Great Dictator
Tomanian Commandant at Osterlich / Robert O. Davis
The Prize
Mr. Rolfe Bergh - Chaperon
A Private's Affair
Dr. Leyden
Decision at Midnight
Magnificent Obsession
Dr. Albert Fuss
To Be or Not to Be
Gestapo Sergeant at Desk at Top of Hotel Stairs (uncredited)
She Demons
Col. Karl Osler
Stamboul Quest
Karl (as Rudolph Amendt)
Kill or Be Killed
Gregory Marek
Sherlock Holmes and the Secret Weapon
Braun (uncredited)
Under Nevada Skies
Alberti
Counter-Attack
Stillman
King Richard and the Crusaders
Austrian Knight (uncredited)
Rendezvous
Radio Operator (uncredited)
Target Unknown
Doctor (uncredited)
South Sea Woman
Capt. van Dorck
Spy Smasher Returns
Col. Von Kahr
Mr. Dynamite
Frederick the Butler
The Pigeon That Took Rome
Col. Wilhelm Krafft
The Phantom Plainsmen
Colonel Eric Hartwig (as Robert O. Davis)
We're in the Legion Now
Sgt. Groeber
Spy Smasher
Col. Von Kohr
King of the Texas Rangers
His Excellency
The Secret Code
Rudi Thysson
Act of Violence
German (voice) (uncredited)
Espionage Agent
Paul Strawn (as Robert O. Davis)
The Fountain
Geof Van Leyden
The Pied Piper
Lieutenant
A Star Is Born
Mr. Ettinger (uncredited)
Confessions of a Nazi Spy
Captain Straubel
That Mothers Might Live
Nazi Agent
Cab Driver (uncredited)
Escape to Paradise
Alexander Komac
Pack Up Your Troubles
Von Richtman
Junior Army
Horner - Nazi Saboteur (as Robert O. Davis)
Jungle Gents
Dr. Goebbel
Last of the Pagans
Superintendant's Assistant (uncredited)
Here's to Romance
Violinist
The Mortal Storm
Gestapo Official Hartman
Arise, My Love
Prussian Officer (uncredited)
Knute Rockne All American
Elder in Norway (uncredited)
The Man I Married
Storm Trooper
Champagne Waltz
Emperor Franz Joseph
Captain Scarface
Dr. Yeager
Riders of the Northland
Agent (as Robert O. Davis)
The Snow Creature
Dr. Louis DuPont
Frankenstein 1970
Wilhelm Gottfried
Down in San Diego
Henry Schrode
Meet the Wildcat
Feral--Henchman
Underground
Official
A Dangerous Game
Dr. Fleming
Eagle Squadron
German Squad Leader
The Great Impersonation
Karl Hofmann
Phantom from Space
Dr. Wyatt
The Devil with Hitler
Nazi Officer at Hitler's filmed Speech (uncredited)
Escape in the Desert
Hoffman
Desperate Journey
Kruse
The Mad Empress
Herzfeld
Silver Needle in the Sky
Dr. Loran
Dangerous Millions
Rudolph Busch
On the Double
Oberkommandant
Hell in the Heavens
Lt. Schroeder (as Rudolph Amendt)
