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)

Bob Walker

Character: Lorch Henchman (uncredited)