The Mystery Man

Robert Armstrong

Larry Doyle

Maxine Doyle

Anne Ogilvie

Henry Kolker

Ellwyn A. 'Jo-Jo' Jonas

LeRoy Mason

The Eel, Gangster

James Burke

Managing Editor Marvin

Guy Usher

District Attorney Johnson

James P. Burtis

Whalen

Monte Collins

Dunn, Reporter

Sam Lufkin

Weeks

Otto Fries

Nate, Pawnbroker

Norman Houston

T. Fulton Whistler

Dell Henderson

Mr. Clark, Hotel Manager

Ray McCarey

Director

Directing

Rollo Lloyd

Screenplay

Writing

William A. Johnston

Adaptation

Writing

Tate Finn

Story

Writing

John W. Krafft

Screenplay

Writing

Trem Carr

Supervising Producer

Production

George Yohalem

Supervising Producer

Production

Paul Malvern

Associate Producer

Production

Abe Meyer

Music Director

Sound

John Stransky Jr.

Sound

Mischa Bakaleinikoff

Original Music Composer

Sound

Harry Neumann

Director of Photography

Camera