Rudolph Anders

Spy Smasher Returns

Col. Von Kahr

Pas de lauriers pour les tueurs

Mr. Rolfe Bergh - Chaperon

Decision at Midnight

Le Pigeon qui sauva rome

Col. Wilhelm Krafft

La doublure du général

Oberkommandant

A Private's Affair

Dr. Leyden

Frankenstein contre l'homme invisible

Wilhelm Gottfried

Femmes démon

Col. Karl Osler

The Snow Creature

Dr. Louis DuPont

Une étoile est née

Mr. Ettinger (uncredited)

Jungle Gents

Dr. Goebbel

Le Secret magnifique

Dr. Albert Fuss

Richard Cœur de Lion

Austrian Knight (uncredited)

Silver Needle in the Sky

Dr. Loran

Captain Scarface

Dr. Yeager

Le Bagarreur du Pacifique

Capt. van Dorck

Le Fantôme de l'Espace

Dr. Wyatt

Raid secret

Doctor (uncredited)

Kill or Be Killed

Gregory Marek

Acte de violence

German (voice) (uncredited)

Dangerous Millions

Rudolph Busch

Under Nevada Skies

Alberti

Escape in the Desert

Hoffman

Counter-Attack

Stillman

Sherlock Holmes et l'Arme secrète

Braun (uncredited)

The Great Impersonation

Karl Hofmann

Junior Army

Horner - Nazi Saboteur (as Robert O. Davis)

The Devil with Hitler

Nazi Officer at Hitler's filmed Speech (uncredited)

Sabotage à Berlin

Kruse

The Secret Code

Rudi Thysson

The Pied Piper

Lieutenant

Riders of the Northland

Agent (as Robert O. Davis)

The Phantom Plainsmen

Colonel Eric Hartwig (as Robert O. Davis)

Eagle Squadron

German Squad Leader

Spy Smasher

Col. Von Kohr

Jeux dangereux

Gestapo Sergeant at Desk at Top of Hotel Stairs (uncredited)

Nazi Agent

Cab Driver (uncredited)

King of the Texas Rangers

His Excellency

A Dangerous Game

Dr. Fleming

Down in San Diego

Henry Schrode

Underground

Official

Mr. Dynamite

Frederick the Butler

Éveille-toi mon amour

Prussian Officer (uncredited)

Meet the Wildcat

Feral--Henchman

Le Dictateur

Tomanian Commandant at Osterlich / Robert O. Davis

Knute Rockne, Tous American

Elder in Norway (uncredited)

The Man I Married

Storm Trooper

La Tempête qui tue

Gestapo Official Hartman

Escape to Paradise

Alexander Komac

The Mad Empress

Herzfeld

Pack Up Your Troubles

Von Richtman

Espionage Agent

Paul Strawn (as Robert O. Davis)

Les aveux d'un espion nazi

Captain Straubel

That Mothers Might Live

Doctor (uncredited)

Champagne Waltz

Emperor Franz Joseph

We're in the Legion Now

Sgt. Groeber

Last of the Pagans

Superintendant's Assistant (uncredited)

Code secret

Radio Operator (uncredited)

Here's to Romance

Violinist

Hell in the Heavens

Lt. Schroeder (as Rudolph Amendt)

The Fountain

Geof Van Leyden

L'Espionne Fraulein Doktor

Karl (as Rudolph Amendt)

Garrison's Gorillas

Saints and Sinners

Otto Masuis

The Rebel

Frank Gottwald

One Step Beyond

Josef

One Step Beyond

Dr. Heinrick Swansen

77 Sunset Strip

The Walter Winchell File

Alfred Hitchcock présente

Cafe Host

Les Aventures De Superman

Les Aventures De Superman

Dr. Rudolf Albrecht

Dangerous Assignment

Space Patrol