Générique complet
The Broken Horseshoe
Robert Beatty
Dr. Mark Benton
Elizabeth Sellars
Della Freeman
Peter Coke
Det. Insp. George Bellamy
Hugh Kelly
Dr. Craig
Vida Hope
Jackie Leroy
Janet Butler
Sister Rogers
Ferdy Mayne
Charles Constance
James Raglan
Supt. Grayson
Hugh Pryse
Mr. Rattray
George Benson
Prescott
Roger Delgado
Felix Galegos
Frank Atkinson
Railway Ticket Clerk (uncredited)
Donald Conlon
Helios Restaurant Patron (uncredited)
Arthur Dibbs
Helios Restaurant Patron (uncredited)
Robert Gregory
Man at Northolt Airport (uncredited)
Jean Hardwicke
Sister (uncredited)
Barry Johns
Hospital Orderly (uncredited)
Anthony Lang
Johnny (uncredited)
Ronald Leigh-Hunt
Sgt. Lewis (uncredited)
Richard Neller
Hospital Visitor (uncredited)
Harold Sanderson
Hospital Visitor (uncredited)
Marc Sheldon
Waiter (uncredited)
Toke Townley
Fred Barker (uncredited)
Réalisation
Martyn C. Webster
Réalisation
Marjorie Owens
Continuity
Buddy Booth
Third Assistant Director
Pat Kelly
Assistant réalisation
