Edward G. Robinson character Caesar Enrico 'Rico' Bandello aka 'Little Caesar'
Douglas Fairbanks Jr. character Joe Massara
Glenda Farrell character Olga Stassoff
William Collier Jr. character Tony Passa
Sidney Blackmer character Big Boy
Ralph Ince character Pete Montana
Thomas E. Jackson character Sergeant Flaherty
Stanley Fields character Sam Vettori
Maurice Black character Little Arnie Lorch
George E. Stone character Otero
Armand Kaliz character De Voss
Nicholas Bela character Ritz Colonna
Ernie Adams character Cashier (uncredited)
Elmer Ballard character Undetermined Role (uncredited)
Ferike Boros character Mrs. Passa (uncredited)
Kernan Cripps character Detective (uncredited)
George Daly character Machine-Gunner (uncredited)
Adolph Faylauer character New Year's Celebrant (uncredited)
Ben Hendricks Jr. character Kid Bean (uncredited)
Al Hill character Rico's 'Butler' (uncredited)
Lucille La Verne character Ma Magdalena (uncredited)
Gladys Lloyd character McClure Guest (uncredited)
Noel Madison character Killer Peppi (uncredited)
Tom McGuire character Detective on Phone (uncredited)
Louis Natheaux character Hood (uncredited)
Henry Sedley character Scabby (uncredited)
Gay Sheridan character Nightclub Patron (uncredited)
Larry Steers character McClure Guest (uncredited)
Landers Stevens character Alvin McClure - Crime Commissioner (uncredited)
Mike Tellegen character Bodyguard (uncredited)
Robert Walker character Lorch Henchman (uncredited)
