Dastardly deeds are afoot in a smog of pipe smoke when a man is found dead - is it cyanide poisoning or smoke inhalation?
Barbara James
Betty Marston
John Longden
Inspector Slade
Wally Patch
Sergeant Clinton
Leonard Sharp
Bob Joyce
Leonard Reginald Gribble
Story
Geoffrey Faithfull
Cinematography
Germain Burger
Director
