Director
Lance Comfort
DIRECTOR
Writer
Anthony Armstrong
WRITER
Guy Morgan
Stars (in credits order)
Derek Farr
Ivan Mason
Ella Raines
Rhona Ellison
Donald Wolfit
Professor Cattrell
Lisa Daniely
Nurse Mitzi
Karel Stepanek
Dmitri Balinkev
Cyril Cusack
Dr. Kelly
Olive Sloane
Mrs. Lemmin - the Landlady
Bruce Beeby
Dr. Manning
Russell Napier
Scotland Yard Supt. Davidson
Frederick Piper
Medwood Inspector Hayman
John Welsh
George White - the Gamekeeper
Alfred Maron
Ambulance Driver
William Baskiville
Police Officer (uncredited)
Jim O'Brady
Balinkev's Thug (uncredited)
Robert Bruce
Scotland Yard Detective (uncredited)
Dan Cressey
Alastair Hunter
Publican (uncredited)
Norman Mitchell
Man in Opening Sequence (uncredited)
Cecil Paul
Train Passenger (uncredited)
