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
Belle Mitchell
Maria - Angelo's Wife
Leon Holmes
Abe - Cohen's Son
Esther Muir
Babe - Masseuse
Pat O'Malley
Prison Interne
Lloyd Ingraham
Ace - Blackjack Dealer
Eddie 'Rochester' Anderson
Charlie - Porter (uncredited)