克劳德·雷恩斯
饰 Dr. Jack Griffin
格劳瑞亚·斯图尔特
饰 Flora Cranley
William Harrigan
饰 Dr. Arthur Kemp
Una O'Connor
饰 Jenny Hall
Forrester Harvey
饰 Herbert Hall
Holmes Herbert
饰 Chief of Police
E. E. Clive
饰 Constable Jaffers
Dudley Digges
饰 Chief Detective
Harry Stubbs
饰 Inspector Bird
Donald Stuart
饰 Inspector Lane
Robert Adair
饰 Detective Thompson (uncredited)
Edgar Barrier
饰 Radio Announcer (uncredited)
Ted Billings
饰 Villager Playing Darts (uncredited)
沃尔特·布伦南
饰 Bicycle Owner (uncredited)
Robert Brower
饰 Farmer (uncredited)
Mae Bruce
饰 Mary Purdy (uncredited)
Rita Carlyle
饰 Townswoman at Pub (uncredited)
John Carradine
饰 Informer Suggesting Ink (uncredited)
