A doctor becomes the victim of extortionists when one of his patients dies under questionable circumstances.
as Dr. Alex Waring
as Laura Shelton
as Dr. Ian Breck
as Henrietta Stevens
as Dr. Hearne
as Mr. Waring
as Matron Fiske
as Major Tilling
as Inspector Austen
as Mrs. Waring
as Sister Slater
as Anaesthetist
as Surgeon
as Miss Jenner
as Garsten
