Director
Alfred L. Werker
DIRECTOR
Stars (in credits order)
George Murphy
Inspector James 'Jim' Belden
Finlay Currie
Professor Albert Kafer
Virginia Gilmore
Millie Zalenko aka Teresa Henning
Karel Stepanek
Alexi Laschenkov aka Gregory Anders
Louisa Horton
Elaine Wilben
Peter Capell
Chris Zalenko aka Gino
Bruno Wick
Luther Danzig
Jack Manning
Melvin Foss aka Vincent
Karl Weber
Charlie Reynolds
Robert A. Dunn
Dr. Wincott
Vilma Kurer
Rita Foss
Michael Garrett
Michael Dorndoff aka Frank Torrance
Lotte Palfi Andor
Anna Kafer
Ernest Graves
Robert Martin
Robert Carroll
Boldany
Wolfgang Zilzer
August Helmuth
George Roy Hill
Nicholas Wilben
Bradford Hatton
Harry Mason
Rosemary Pettit
Mrs. Martin
Eva Condon
Landlady
Steve Mitchell
Samson
Ann Thomas
Philadelphia Suspect
John Farrell
Taxi Driver(uncredited)
Nancy Hale
Mrs. Belden(uncredited)
J. Edgar Hoover
Self(uncredited)(archiveFootage)
Suzanne Moulton
Sherry Belden(uncredited)
Westbrook Van Voorhis
Narrator(uncredited)(voice)
Mary Young
Old Lady(uncredited)