Diplomatic Courier

Tyrone Power

Mike Kells

Patricia Neal

Joan Ross

Stephen McNally

Col. Cagle

Hildegard Knef

Janine Betki

Karl Malden

Sgt. Ernie Guelvada

James Millican

Sam F. Carew

Stefan Schnabel

Rasumny Platov

Herbert Berghof

Arnov

Arthur Blake

Maximilian

Helene Stanley

Airline Stewardess

Hugh Marlowe

Narrator (voice) (uncredited)

Charles Bronson

Russian Agent (uncredited)