Guinn 'Big Boy' Williams
— Dick Mallory
Allene Ray
— Ruth Hampton
Niles Welch
— Sam Crandall
Tom O'Brien
— Police Sgt. Pat Collins
Sheldon Lewis
— The Thing
Wilfred Lucas
— Dist. Atty. John Hampton
Violet Knights
— Lucy - the Maid
William Gould
— Dr. Weldon
Bobby Dunn
— Shorty - the Chauffeur
William Jackie
— Oscar - the Lunatic