Rudolph Anders

Spy Smasher Returns

1966

Col. Von Kahr

The Prize

1963

Mr. Rolfe Bergh - Chaperon

Decision at Midnight

1963

Uncle

The Pigeon That Took Rome

1962

Col. Wilhelm Krafft

On the Double

1961

Oberkommandant

A Private's Affair

1959

Dr. Leyden

Франкенштейн 1970

1958

Wilhelm Gottfried

She Demons

1958

Col. Karl Osler

The Snow Creature

1954

Dr. Louis DuPont

Зірка народилася

1954

Mr. Ettinger (uncredited)

Jungle Gents

1954

Dr. Goebbel

Magnificent Obsession

1954

Dr. Albert Fuss

King Richard and the Crusaders

1954

Austrian Knight (uncredited)

Silver Needle in the Sky

1954

Dr. Loran

Captain Scarface

1953

Dr. Yeager

South Sea Woman

1953

Capt. van Dorck

Phantom from Space

1953

Dr. Wyatt

Target Unknown

1951

Doctor (uncredited)

Kill or Be Killed

1950

Gregory Marek

Act of Violence

1949

German (voice) (uncredited)

Dangerous Millions

1946

Rudolph Busch

Under Nevada Skies

1946

Alberti

Escape in the Desert

1945

Hoffman

Counter-Attack

1945

Stillman

Sherlock Holmes and the Secret Weapon

1942

Braun (uncredited)

The Great Impersonation

1942

Karl Hofmann

Junior Army

1942

Horner - Nazi Saboteur (as Robert O. Davis)

The Devil with Hitler

1942

Nazi Officer at Hitler's filmed Speech (uncredited)

Desperate Journey

1942

Kruse

The Secret Code

1942

Rudi Thysson

The Pied Piper

1942

Lieutenant

Riders of the Northland

1942

Agent (as Robert O. Davis)

The Phantom Plainsmen

1942

Colonel Eric Hartwig (as Robert O. Davis)

Eagle Squadron

1942

German Squad Leader

Spy Smasher

1942

Col. Von Kohr

Бути чи не бути

1942

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

Nazi Agent

1942

Cab Driver (uncredited)

King of the Texas Rangers

1941

His Excellency

A Dangerous Game

1941

Dr. Fleming

Down in San Diego

1941

Henry Schrode

Підпілля

1941

Official

Mr. Dynamite

1941

Frederick the Butler

Arise, My Love

1940

Prussian Officer (uncredited)

Meet the Wildcat

1940

Feral--Henchman

Великий диктатор

1940

Tomanian Commandant at Osterlich / Robert O. Davis

Knute Rockne All American

1940

Elder in Norway (uncredited)

The Man I Married

1940

Storm Trooper

The Mortal Storm

1940

Gestapo Official Hartman

Escape to Paradise

1939

Alexander Komac

The Mad Empress

1939

Herzfeld

Pack Up Your Troubles

1939

Von Richtman

Espionage Agent

1939

Paul Strawn (as Robert O. Davis)

Confessions of a Nazi Spy

1939

Captain Straubel

That Mothers Might Live

1938

Doctor (uncredited)

Champagne Waltz

1937

Emperor Franz Joseph

We're in the Legion Now

1936

Sgt. Groeber

Last of the Pagans

1935

Superintendant's Assistant (uncredited)

Rendezvous

1935

Radio Operator (uncredited)

Here's to Romance

1935

Violinist

Hell in the Heavens

1934

Lt. Schroeder (as Rudolph Amendt)