Director
Herbert L. Strock
DIRECTOR
George Waggner
Writer
David Evans
WRITER
Robert L. Joseph
Fred Schiller
Hendrik Vollaerts
Stars (in credits order)
Boris Karloff
Sgt. Chester Willmore(archiveFootage)
Booth Colman
Edmond Vallier(archiveFootage)
Roxane Berard
Marie Montcourt(archiveFootage)
Leo Penn
Charles Montcourt(archiveFootage)
Albert Carrier
Philippe Jussard(archiveFootage)
Tony Travis
Dr. Angelo Marcabienti(archiveFootage)
Argentina Brunetti
Maria (the housekeeper)(archiveFootage)
Elvira Curci
Mama Bianchi(archiveFootage)
Ernest Sarracino
Papa Bianchi(archiveFootage)
Bruno Della Santina
Giuseppe (the gardener)(archiveFootage)
Inez Palange
Grandmother(archiveFootage)
Dominica Hauser
Neighbor(archiveFootage)
Domenick Delgarde
Tony Bianchi(archiveFootage)
Lauren Perreau
Francesca Bianchi(archiveFootage)
Harry Bartell
Edward Paige(archiveFootage)
Paul Bryar
Det. Lt. Davis(archiveFootage)
Ray Montgomery
Police Sgt. Fenton(archiveFootage)
Gretchen Thomas
Elizabeth Foley(archiveFootage)
Gene Collins
Kerwin (the killer)(archiveFootage)
Vici Raaf
Blonde Woman(archiveFootage)
Robert Griffin
Dr. Dragstedt(archiveFootage)
Connie Van
Mrs. Rebus(archiveFootage)
Robert Hardy
George Bosworth(archiveFootage)
Jennifer Raine
Julie Westcott(archiveFootage)
Patrick Macnee
Const. Hawton(archiveFootage)
Betty Fairfax
Bertha Clink(archiveFootage)
Terence de Marney
Albert Ketch(archiveFootage)
Donald Lawton
Ship's captain(archiveFootage)
Kendrick Huxham
Alfie Clink(archiveFootage)