While the Patient Slept

Aline MacMahon

as

Nurse Sarah Ke...

Guy Kibbee

as

Detective Lt. ...

Patricia Ellis

as

March Federie,...

Hobart Cavanau...

as

Eustace Federie

Dorothy Tree

as

Mittie Federie

Robert Barrat

as

Adolphe Federie

Helen Flint

as

Isobel Federie...

Lyle Talbot

as

Ross Lonergan

Henry O'Neill

as

Elihu Dimuck

Walter Walker

as

Richard Federie

Allen Jenkins

as

Police Sgt. Ji...

Eddie Shubert

as

Detective Muld...

Russell Hicks

as

Dr. Jay

Brandon Hurst

as

Grondal - the ...

Joseph E. Bern...

as

'Murph' Murphy...

George Chandler

as

Evening Bullet...

Nick Copeland

as

Detective Davi...

Joseph Crehan

as

Evening Bullet...

Bill Elliott

as

Bank Teller (u...

Virginia Howell

as

Kema - the Coo...

Milton Kibbee

as

Evening Bullet...

Henry Otho

as

Frank - Detect...

John J. Richar...

as

Reporter (uncr...

Ferdinand Schu...

as

Reporter (uncr...

Harry Seymour

as

Photographer (...

Huey White

as

Sarah's Taxi D...

Jack Wise

as

Reporter (uncr...