Gerald Milton

Col. Otto Zagon

Violet Rensing

Marissa Foeldessy

Jack Mylong-Münz

Gen. Foeldessy

Booth Colman

Lt. Stefko

Greta Thyssen

Christi

John Hoyt

Prof. Ernst Tolnai

Joe Turkel

Martin

Robert Blake

Karolyi

Charlie Brill

Josef

Colette Jackson

Elizabeth

Tommy Ivo

Moricz

John Banner

Dr. Kovach

Kurt Katch

Sgt. Geza

Ben Carruthers

Sentry (uncredited)