Edward G. Robinson as Little John T. 'Johnny' Sarto

Ann Sothern as Florence 'Flo' Addams

Humphrey Bogart as Jack Buck

Donald Crisp as Brother Superior

Ralph Bellamy as Clarence P. Fletcher

Allen Jenkins as Willie 'The Knife' Corson

Charles D. Brown as Brother Wren

Cecil Kellaway as Brother Goodwin

Morgan Conway as Philadelphia Powell

Richard Lane as Mugsy O'Day

Paul Guilfoyle as Red Martin

John Ridgely as Texas Pearson

Joseph Crehan as Brother MacEwen

Wilfred Lucas as Brother MacDonald

Tom Tyler as Curley Matthews

Dick Wessel as Buffalo Burns

Granville Bates as Pattonsville Superintendent

Paul Phillips as French Frank

Don Rowan as Al Muller

Nanette Vallon as Fifi

Tim Ryan as Turkey Malone

Joe Caits as Handsome Harry

Pat Gleason as Dopey Perkins

Tommy Baker as Joseph

Jimmy Aye as Gangster (uncredited)

Sidney Bracey as Steward Bringing Briefcase (uncredited)

Harlan Briggs as Thomas A. Bailey - Acme Paving (uncredited)

Louise Carter as Scrub Woman at End (uncredited)

Charles Coleman as English Diamond Salesma (uncredited)

G. Pat Collins as Tim O'Hara (uncredited)

Gino Corrado as Artist (uncredited)

Jean Del Val as Frenchman (uncredited)

Frank Faylen as Parkway Biltmore Desk Clerk (uncredited)

James Flavin as Parking Attendant at Fat Dutchy's (uncredited)

Mary Gordon as Mrs. Sweeney - Flo's Landlady (uncredited)

Creighton Hale as Reporter #3 (uncredited)

George Haywood as Reporter #1 (uncredited)

Max Hoffman Jr. as Policeman #2 (uncredited)

William Hopper as 2nd Reporter on Return Ship (uncredited)

Armand Kaliz as Frenchman (uncredited)

Jack Kenney as Acquaintance (uncredited)

Sam McDaniel as Janitor Tripping Fire Alarms (uncredited)

Edward McWade as Aged Brother (uncredited)

Frank Moran as Louie the Lug (uncredited)

Leonard Mudie as English Diamond Salesman (uncredited)

Louis Natheaux as Gangster (uncredited)

Terry Nibert as Girl (uncredited)

Edgar Norton as Meadows - London Butler (uncredited)

Frank Orth as Waiter at Fat Dutchy's (uncredited)

Lee Phelps as 1st Policeman at Buck's Hideout (uncredited)

Paul Porcasi as Warehouse Manager (uncredited)

Georges Renavent as Cable Office Clerk (uncredited)

George Sorel as Casino Attendant (uncredited)

Amzie Strickland as Girl (uncredited)

Claude Wisberg as Albert - Bellboy with Dogs (uncredited)

Cosmo Sardo as