The Secret Six

Wallace Beery

Louis 'Slaughterhouse' Scorpio

Lewis Stone

Richard 'Newt' Newton - Attorney at Law

Johnny Mack Brown

Hank Rogers

Jean Harlow

Anne Courtland

Marjorie Rambeau

Peaches

Paul Hurst

Nick Mizoski - the Gouger

Clark Gable

Carl Luckner

Ralph Bellamy

Johnny Franks

John Miljan

Joe Colimo

DeWitt Jennings

Chief of Police Donlin

Murray Kinnell

Metz - the Dummy

Fletcher Norton

Jimmy Delano

Louis Natheaux

Eddie

Frank McGlynn Sr.

Judge

Theodore von Eltz

District Attorney Keeler

Lynton Brent

Reporter (uncredited)

Charles Giblyn

Mr. Simms - Ballistics Expert (uncredited)

Joseph W. Girard

Official (uncredited)

Betty Lawson

Undertermined Secondary Role (uncredited)

Tom London

Blackjacking Gangster (uncredited)