As Actor/Actress
One Step Beyond
Josef
77 Sunset Strip
Alfred Hitchcock Presenta
Cafe Host
Superman
The Rebel
Frank Gottwald
El Gran Dictador
Tomanian Commandant at Osterlich / Robert O. Davis
Garrison's Gorillas
Dangerous Assignment
Space Patrol
Saints and Sinners
Otto Masuis
The Walter Winchell File
Counter-Attack
Stillman
Mr. Dynamite
Frederick the Butler
Nace una estrella
Mr. Ettinger (uncredited)
Ser o no ser
Gestapo Sergeant at Desk at Top of Hotel Stairs (uncredited)
El premio
Mr. Rolfe Bergh - Chaperon
Sherlock Holmes and the Secret Weapon
Braun (uncredited)
Jungle Gents
Dr. Goebbel
Aventuras de los comandos
Kruse
Spy Smasher
Col. Von Kohr
Sublime obsesión
Dr. Albert Fuss
Rendezvous
Radio Operator (uncredited)
Ricardo Corazón de León
Austrian Knight (uncredited)
La tormenta mortal
Gestapo Official Hartman
Espionage Agent
Paul Strawn (as Robert O. Davis)
Dangerous Millions
Rudolph Busch
Act of Violence
German (voice) (uncredited)
On the Double
Oberkommandant
Captain Scarface
Dr. Yeager
Riders of the Northland
Agent (as Robert O. Davis)