Diretor/a
Lewis D. Collins
DIRETOR/A
Elenco (na ordem dos créditos)
Donald Cook
Dr. Truman Harwell
Jean Rouverol
Eleanore Leavenworth
Norman Foster
Detective Bob Grice
Erin O'Brien-Moore
Mrs. Silas (Gloria) Leavenworth
Maude Eburne
Phoebe Leavenworth
Warren Hymer
Detective O'Malley
Jocko
Jocko the Monkey
Frank Sheridan
Silas Leavenworth
Gavin Gordon
Henry Clavering
Clay Clement
Inspector Holmes
Ian Wolfe
Hudson
Peggy Stratford
Miss Owens
Archie Robbins
Duke
Bess Stafford
The Bulldog Woman
Lucille Ward
The Pekingese Woman
Belle Mitchell
The Cat Woman
Marie Rice
Sarah - a servant
Carl Stockdale
Leavenworth-Clavering Bookkeeper
Broderick O'Farrell
Chemical Analysistuncredited
Dagmar Oakland
Miss Hilluncredited
Lee Prather
Fingerprint Expertuncredited