"“Professional jealousy over the discovery of a formula for an anaesthetic leads to murder in a hospital.” - BFI."
Hugh Williams
as Dr. Thurlow
Chili Bouchier
as Betty Trimmer
Garry Marsh
as Dr. Mortimer
Reginald Purdell
as Askew
James Stephenson
as Inspector Clarke
Glen Alyn
as Isabel Simmonds
John Carol
as Merridew
Lesley Brook
as Mary Cresswell
Robert Rendel
as Dr. Fletcher
Aubrey Pollock
as Dr. Cresswell
Elsa Buchanan
as
Syd Crossley
Katie Johnson
Ross Landon
Muriel Pope
Ivy Tresmand
Arthur B. Woods
Director
Brock Williams
Screenplay
Basil Woon
Mignon G. Eberhart
Novel
Irving Asher
Producer
Robert LaPresle
Director of Photography
