Boris Karloff

James Lee Wong

Marjorie Reynolds

Roberta 'Bobbie' Logan

Grant Withers

Capt. Bill Street

Charles Trowbridge

John T. Forbes

Frank Puglia

Harry 'Hardway' Lockett

Craig Reynolds

Frank Belden, Jr.

Lita Chevret

Tanya Serova

Harry Strang

Det. Ballard

Hooper Atchley

Frank Belden, Sr.

Jason Robards Sr.

Griswold

Richard Loo

Jeweler

Jack Kennedy

Mike

C.E. Anderson

Cap Anderson

Allan Cavan

Radio Station Owner

Tristram Coffin

Hotel Desk Clerk

Nick Copeland

The Crank Informant

Pauline Drake

Bessie, Switchboard Operator

Harry Harvey

Radio Salesman

Elsa Janssen

Hotel Maid

I. Stanford Jolley

Soapy

Donald Kerr

The Drunk

Wilbur Mack

Police Medical Examiner

Bert Moorhouse

Card Player

James C. Morton

Policeman Clancy

Paul Scardon

Homer Lyons - Informant

Scott Darling

Screenplay

George Waggner

Adaptation

William Nigh

Director

Hugh Wiley

Characters

Scott R. Dunlap

Producer

Russell F. Schoengarth

Editor

Gordon Bau

Makeup Artist

Harry Neumann

Director of Photography

Louis Brown

Costume Design

Edward J. Kay

Music

Karl Zint

Sound Recordist

W.B. Eason

Assistant Director