Cast
Robert Beatty
Dr. Mark Benton
Peter Coke
Det. Insp. George Bellamy
Vida Hope
Jackie Leroy
Ferdy Mayne
Charles Constance
Roger Delgado
Felix Galegos
James Raglan
Supt. Grayson
Hugh Pryse
Mr. Rattray
George Benson
Prescott
Frank Atkinson
Railway Ticket Clerk (uncredited)
Elizabeth Sellars
Della Freeman
Ronald Leigh-Hunt
Sgt. Lewis (uncredited)
Toke Townley
Fred Barker (uncredited)