Spy Smasher Returns
as Col. Von Kahr
The Prize
as Mr. Rolfe Bergh - Chaperon
Decision at Midnight
as Uncle
The Pigeon That Took Rome
as Col. Wilhelm Krafft
On the Double
as Oberkommandant
A Private's Affair
as Dr. Leyden
Frankenstein 1970
as Wilhelm Gottfried
She Demons
as Col. Karl Osler
The Snow Creature
as Dr. Louis DuPont
A Star Is Born
as Mr. Ettinger (uncredited)
Jungle Gents
as Dr. Goebbel
Magnificent Obsession
as Dr. Albert Fuss
King Richard and the Crusaders
as Austrian Knight (uncredited)
Silver Needle in the Sky
as Dr. Loran
Captain Scarface
as Dr. Yeager
South Sea Woman
as Capt. van Dorck
Phantom from Space
as Dr. Wyatt
Target Unknown
as Doctor (uncredited)
Kill or Be Killed
as Gregory Marek
Act of Violence
as German (voice) (uncredited)
Dangerous Millions
as Rudolph Busch
Under Nevada Skies
as Alberti
Escape in the Desert
as Hoffman
Counter-Attack
as Stillman
Watch on the Rhine
as Oberdorff
Sherlock Holmes and the Secret Weapon
as Braun (uncredited)
The Great Impersonation
as Karl Hofmann
Junior Army
as Horner - Nazi Saboteur (as Robert O. Davis)
The Devil with Hitler
as Nazi Officer at Hitler's filmed Speech (uncredited)
Desperate Journey
as Kruse
The Secret Code
as Rudi Thysson
The Pied Piper
as Lieutenant
Riders of the Northland
as Agent (as Robert O. Davis)
The Phantom Plainsmen
as Colonel Eric Hartwig (as Robert O. Davis)
Eagle Squadron
as German Squad Leader
Spy Smasher
as Col. Von Kohr
To Be or Not to Be
as Gestapo Sergeant at Desk at Top of Hotel Stairs (uncredited)
Nazi Agent
as Cab Driver (uncredited)
King of the Texas Rangers
as His Excellency
A Dangerous Game
as Dr. Fleming
