The King

West German Delegate (uncredited)

Lt. Brandt

Von Kleist

Head Captain (uncredited)

Professor Levenson

Demaratus

Grandpa Loues / Mr. Trisapopolis

Lewis Venable (uncredited)

Dr. Peter Ulof

Prof. Göteborg

Bernard - Maitre d' (uncredited)

Prof. Julius Angermann

German Colonel (uncredited)

Gen. Dimitri Langrad

Duke Alexander Michael David of Austria

Military Officer

Ludwig (uncredited)

Erik Haldeman

Dr. Manus

Baron Von Hollden

Phillip - Captain of Waiters (uncredited)

Danish Envoy

The President

Von Ellstein

Henri Dupre

German Major

King George

Alexis Delios

German Lieutenant (uncredited)

The Russian

Assassin

Photographer (uncredited)

I.V. Morse

Pelham Vetch

Jewel Theif

Rocheau

Naftalie Vrandstadter (uncredited)

Major Reimann

Peter Vandaman

Alfredi

Eric Mathis

Sgt. Johann Grillparzer

Hausmer, Schiller's Henchman

Monsieur Chopin (uncredited)

Dr. Igor Baumler (Uncredited)

Jan Spavero (uncredited)

Museum Guide (uncredited)

German Lieutenant (uncredited)

Colonel Pavlec

Pastor Niemöller

Mr. Tukhachevsky (Former General) (uncredited)