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)