Confidential

Donald Cook

— FBI Agent Dave Elliott

Evalyn Knapp

— Maxine Travers

Theodore von Eltz

— Mr. Walsh

Warren Hymer

— Terence 'Midget' Regan

J. Carrol Naish

— 'Lefty' Tate

Herbert Rawlinson

— J.W. Keaton

Kane Richmond

— J.W. 'Jack' Keaton, Jr.

Edward Hearn

— Insp. Stone

James P. Burtis

— Lacey

Clay Clement

— Insp. Arthur M. Preston

Reed Howes

— FBI Agent Bob Arnold

Morgan Wallace

— H. Van Cleve

Monte Carter

— Giuseppe Tomasso Giaconelli

Al Bridge

— Hanover - Walsh's Henchman

Earl Eby

— FBI Agent Nash

Lynton Brent

— FBI Agent Connors

George Chesebro

— Sardo - Walsh's Henchman

Mary Gwynne

— Woman

Frank Marlowe

— G-Man

Lillian Castle

— Mary - Old Barfly

Donald Kerr

— Reporter

Edwin Argus

— Character

Jack Gustin

— Henchman

David Worth

— FBI Agent

Allen Connor

— Official

Tom Brower

— Elderly Man

Harry Harvey

— Short Pool Player

Robert Homans

— Fat Pool Player

Allan Cavan

— One of Keaton's Lieutenants

Earl Dwire

— Secretary