James Gleason

Police Insp. Oscar Piper

Helen Broderick

Hildegarde Withers

Louise Latimer

Barbara Foley

Owen Davis Jr.

Edward 'Eddie' Fry

John Arledge

Joey Thomas

John Carroll

Latigo Wells

Willie Best

'High-Pockets'

Leslie Fenton

Don Gregg

Christian Rub

Chris Thomas

Sheila Terry

Violet Feverel

John Miltern

Patrick 'Pat' Gregg

Spencer Charters

Warden Sylvester Mahoney

James Donlan

Detective Kane

Gustav von Seyffertitz

Doctor Bloom, Police Dept.

Frank Reicher

Dr. Peters (Gregg's)

Harry Jans

Addie, Reporter

Murray Alper

Taxi Driver (uncredited)

Barlowe Borland

Pipe Expert (uncredited)

Harry Bowen

Second (Checker) Taxi Driver (uncredited)

Maurice Cass

Mr. Schultz, Handwriting Expert (uncredited)

Maxine Jennings

Girl in Waiting Car (uncredited)

Mike Lally

Reporter (uncredited)

Frank Marlowe

Horseman on Bridle Path (uncredited)

Tony Martin

Man with Violet (uncredited)

Frank Mills

Horseman on Bridle Path (uncredited)

Jack Rice

Violet's Hotel Manager (uncredited)

Dewey Robinson

Turkish Bath Attendant (uncredited)

Monte Vandergrift

Detective Bart (uncredited)

The Penguin Pool Murder

Murder on the Blackboard

Murder on a Honeymoon

Murder on a Bridle Path

The Plot Thickens

Forty Naughty Girls