Hans Heinrich von Twardowski

The Gentleman in Room 6

as Guest

Resisting Enemy Interrogation

as Herr Mahler - German Red Cross Representative

Passage to Marseille

First Comes Courage

as Nazi Captain (uncredited)

Background to Danger

as German Officer

Hitler's Madman

Edge of Darkness

as German Co-Pilot (uncredited)

Hangmen Also Die!

as Reinhard Heydrich

Margin for Error

as Fritz - Butler

Casablanca

as German Officer with Yvonne (uncredited)

Once Upon a Honeymoon

as German Officer (uncredited)

Desperate Journey

The Dawn Express

as Capt. Gemmler

Hitler: Beast of Berlin

as Albert Stalhelm - Storm Trooper

Espionage Agent

as Dr. Helm

Confessions of a Nazi Spy

as Helldorf

The Crusades

as Nicholas, Count of Hungary

Storm Over the Andes

as Oberto (as Hans Von Twardowski)

The Scarlet Empress

The Devil's in Love

as Andre's Defense Counsel

Adorable

as Prince of Pontevedro

Private Jones

as Von Bergen (uncredited)

6 Hours to Live

as Flosky

Scandal for Sale

as Affner, the pilot