Donald Cook
Dr. Truman Harwell
Jean Rouverol
Eleanore Leavenworth
Erin O'Brien-Moore
Gloria Leavenworth
Maude Eburne
Phoebe Leavenworth
Warren Hymer
O'Malley
Ian Wolfe
Hudson
Norman Foster
Detective Bob Grice
Frank Sheridan
Silas Leavenworth
Gavin Gordon
Henry Clavering
Clay Clement
Inspector Holmes
Peggy Stratford
Miss Owens
Archie Robbins
Duke
Bess Stafford
The Bulldog Woman
Lucille Ward
The Pekingese Woman
Marie Rice
Sarah - a servant
Carl Stockdale
Leavenworth-Clavering Bookkeeper
Broderick O'Farrell
Chemical Analysist
Dagmar Oakland
Miss Hill
Lee Prather
Fingerprint Expert
Belle Mitchell
The Cat Woman