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