Edmund Lowe

Brains Stanley aka Roger Winthrop

Nancy Carroll

Grace Clark

Robert Armstrong

Driller

Lew Cody

Labels Castell

Warren Hymer

Mousey

Dorothy Burgess

Ethel aka Giggles

Grant Mitchell

Dr. Crittenden - Dentist

Walter Walker

Mr. Walker

Berton Churchill

Mordant - Casket Buyer

Inez Courtney

Public Stenographer (scenes deleted)

Susan Fleming

Miss Jones - Stenographer

Luis Alberni

Angelo - Janitor

Lee Kohlmar

Old Man Cohen

Merna Kennedy

Alice (scenes deleted)

Harvey Clark

Fred J. Harper

Harry Joe Brown

Gene Towne