Edward G. Robinson

Caesar Enrico 'Rico' Bandello aka 'Little Caesar'

Douglas Fairbanks Jr.

Joe Massara

Glenda Farrell

Olga Stassoff

William Collier Jr.

Tony Passa

Sidney Blackmer

Big Boy

Ralph Ince

Pete Montana

Thomas E. Jackson

Sergeant Flaherty

Stanley Fields

Sam Vettori

Maurice Black

Little Arnie Lorch

George E. Stone

Otero

Armand Kaliz

De Voss

Ernie Adams

Cashier (uncredited)

Ferike Boros

Mrs. Passa (uncredited)

Kernan Cripps

Detective (uncredited)

Adolph Faylauer

New Year's Celebrant (uncredited)

Ben Hendricks Jr.

Kid Bean (uncredited)

Al Hill

Rico's 'Butler' (uncredited)

Lucille La Verne

Ma Magdalena (uncredited)

Noel Madison

Killer Peppi (uncredited)

Tom McGuire

Detective on Phone (uncredited)