Istanbul

Errol Flynn

James Brennan

Cornell Borchers

Stephanie Bauer / Karen Fielding

John Bentley

Insp. R.P. Nural

Torin Thatcher

Douglas Fielding

Leif Erickson

Charlie Boyle

Peggy Knudsen

Marge Boyle

Martin Benson

Mr. Darius

Nat King Cole

Danny Rice

Werner Klemperer

Paul Renkov

Vladimir Sokoloff

Aziz Rakim

Jan Arvan

Kazim

Nico Minardos

Ali

Ted Hecht

Lt. Sarac

David Bond

Dr. Sarica

Roland Varno

Mr. Florian

Hillevi Rombin

Air Hostess

Peter Norman

Clerk (uncredited)

Sayre Dearing

Karen's Friend (uncredited)