Philo Vance
Wilfrid Hyde-White
Angela Hargreaves
Kathleen Kelly
Inspector Moor
Wally Patch
Dr. Bliss
Henri De Vries
Donald Scarlett
John Robinson
Salveter
Geoffrey Wallace
Cinematography
Ronald Neame
Screenplay
Selwyn Jepson
Director
Michael Hankinson
Producer
Anthony Havelock-Allan