Rudolph Anders

77 Sunset Strip

One Step Beyond

Josef

One Step Beyond

Dr. Heinrick Swansen

Alfred Hitchcock Presents

Cafe Host

The Rebel

Frank Gottwald

Adventures of Superman

Adventures of Superman

Dr. Rudolf Albrecht

Garrison's Gorillas

The Great Dictator

Tomanian Commandant at Osterlich / Robert O. Davis

Dangerous Assignment

The Walter Winchell File

Saints and Sinners

Otto Masuis

A Star Is Born

Mr. Ettinger (uncredited)

To Be or Not to Be

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

Sherlock Holmes and the Secret Weapon

Braun (uncredited)

Confessions of a Nazi Spy

Captain Straubel

The Prize

Mr. Rolfe Bergh - Chaperon

King Richard and the Crusaders

Austrian Knight (uncredited)

Magnificent Obsession

Dr. Albert Fuss

Knute Rockne All American

Elder in Norway (uncredited)

Watch on the Rhine

Oberdorff

Spy Smasher

Col. Von Kohr

Junior Army

Horner - Nazi Saboteur (as Robert O. Davis)

The Mortal Storm

Gestapo Official Hartman

Desperate Journey

Kruse

South Sea Woman

Capt. van Dorck

Act of Violence

German (voice) (uncredited)

Arise, My Love

Prussian Officer (uncredited)

Rendezvous

Radio Operator (uncredited)

Frankenstein 1970

Wilhelm Gottfried

Riders of the Northland

Agent (as Robert O. Davis)

A Private's Affair

Dr. Leyden

King of the Texas Rangers

His Excellency

Pack Up Your Troubles

Von Richtman

Here's to Romance

Violinist

That Mothers Might Live

Doctor (uncredited)

The Devil with Hitler

Nazi Officer at Hitler's filmed Speech (uncredited)

The Pigeon That Took Rome

Col. Wilhelm Krafft

Hell in the Heavens

Lt. Schroeder (as Rudolph Amendt)

Escape in the Desert

Hoffman

The Man I Married

Storm Trooper

Eagle Squadron

German Squad Leader

The Snow Creature

Dr. Louis DuPont

On the Double

Oberkommandant

Kill or Be Killed

Gregory Marek

Nazi Agent

Cab Driver (uncredited)

Last of the Pagans

Superintendant's Assistant (uncredited)

Target Unknown

Doctor (uncredited)

Down in San Diego

Henry Schrode

Stamboul Quest

Karl (as Rudolph Amendt)

Espionage Agent

Paul Strawn (as Robert O. Davis)

Silver Needle in the Sky

Dr. Loran

A Dangerous Game

Dr. Fleming

Underground

Official

The Secret Code

Rudi Thysson

Phantom from Space

Dr. Wyatt

She Demons

Col. Karl Osler

Captain Scarface

Dr. Yeager

Decision at Midnight

Uncle

We're in the Legion Now

Sgt. Groeber

The Great Impersonation

Karl Hofmann

The Pied Piper

Lieutenant

Counter-Attack

Stillman

Jungle Gents

Dr. Goebbel

Dangerous Millions

Rudolph Busch

The Fountain

Geof Van Leyden

Mr. Dynamite

Frederick the Butler

Meet the Wildcat

Feral--Henchman

The Mad Empress

Herzfeld

Under Nevada Skies

Alberti

Champagne Waltz

Emperor Franz Joseph

The Phantom Plainsmen

Colonel Eric Hartwig (as Robert O. Davis)

Spy Smasher Returns

Col. Von Kahr

Escape to Paradise

Alexander Komac