Perry Mason
Della Street (credit only)
Paul Drake (credit only)
Lt. Tragg (credit only)
Alan Durfee
Colonel Owens
Frank Appleton
Hurt
Phil Morton
Greta Koning
Frederic Ralston
Duval
Joe Farrell
Dr. Kleinman
Madame Jurgen (as Eva Soreny)
Juan Carlos Ramirez
Stewardess
Max
Helga
M.P. Sgt.
Swiss Bank Clerk
Mechanic
Policeman
Swedish Sailor
Juggler
Nightclub Patron (uncredited)