演职人员
导演
Walter Forde
Dr. Lomond
Patric Curwen
John Lenley
Esmond Knight
Inspector Wembury
John Longden
Cora Ann Milton
Carol Goodner
Samuel Hackett
Gordon Harker
Maurice Meister
Franklin Dyall
Mary Lenley
Dorothy Bartlam
Inspector Bliss
Henry Hallatt
Sgt. Carter
Arthur Stratton
Gwenda Milton
Kathleen Joyce
Commissioner
Eric Stanley