Director/a
Alfred L. Werker
DIRECTOR/A
Reparto (por orden de créditos)
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 Driveruncredited
Nancy Hale
Mrs. Beldenuncredited
J. Edgar Hoover
Selfuncredited,archiveFootage
Suzanne Moulton
Sherry Beldenuncredited
Westbrook Van Voorhis
Narratoruncredited,voice
Mary Young
Old Ladyuncredited