Claude Rains
Role: Dr. Jack Griffin
Gloria Stuart
Role: Flora Cranley
William Harrigan
Role: Dr. Arthur Kemp
Henry Travers
Role: Dr. Cranley
Una O'Connor
Role: Jenny Hall
Forrester Harvey
Role: Herbert Hall
Holmes Herbert
Role: Chief of Police
E. E. Clive
Role: Constable Jaffers
Dudley Digges
Role: Chief Detective
Harry Stubbs
Role: Inspector Bird
Donald Stuart
Role: Inspector Lane
Merle Tottenham
Role: Millie
Robert Adair
Role: Detective Thompson (uncredited)
Edgar Barrier
Role: Radio Announcer (uncredited)
Ted Billings
Role: Villager Playing Darts (uncredited)
Walter Brennan
Role: Bicycle Owner (uncredited)
Robert Brower
Role: Farmer (uncredited)
Mae Bruce
Role: Mary Purdy (uncredited)
Rita Carlyle
Role: Townswoman at Pub (uncredited)
John Carradine
Role: Informer Suggesting Ink (uncredited)
D'Arcy Corrigan
Role: Villager (uncredited)
Jack Deery
Role: Officer in Charge of Barn Capture (uncredited)
Dwight Frye
Role: Reporter (uncredited)
Mary Gordon
Role: Screaming Woman (uncredited)
Bobby Hale
Role: Townsman at Pub (uncredited)
Stuart Hall
Role: Constable (uncredited)
Tiny Jones
Role: Townswoman at Pub (uncredited)
Violet Kemble Cooper
Role: Woman (uncredited)
Crauford Kent
Role: Doctor (uncredited)
Paul Kruger
Role: Constable (uncredited)
John Merivale
Role: Constable (uncredited)
Monte Montague
Role: Cop (uncredited)
Jack Montgomery
Role: Constable (uncredited)
Charles Morton
Role: Party Guest (uncredited)
Bob Reeves
Role: Detective Hogan (uncredited)
Jack Richardson
Role: Official (uncredited)
Tom Ricketts
Role: Old Farmer with Barn (uncredited)
Kathryn Sheldon
Role: Orphanage Worker (uncredited)
Emma Tansey
Role: Old Woman Listening to Radio (uncredited)
Jameson Thomas
Role: Hospital Doctor (uncredited)
Leo White
Role: 2nd Man Calling Police ('Frost')(uncredited)
Bert Young
Role: Railroad Switchman (uncredited)
