Spudvisor
Bela Lugosi

Boroff

Ralph Byrd

Lt. Terry Kent

Maxine Doyle

Jean Norman

Lee Ford

Snapper McGee

Herbert Rawlinson

Cmdr. Boyle

John Picorri

G.A. Rackerby [Chs. 2-12]

Allen Connor

Dick Norman

Thomas Carr

Ens. Jim Kent [Ch. 1]

Lawrence Grant

Rabinisi - Boroff's Spokesman at Screening [Ch. 1]

Carleton Young

Henchman Dodds [Ch. 4]

George Chesebro

L.H. Degado - Chief Thug [Ch. 5]

Ranny Weeks

Wies - Ambulance Orderly Thug [Ch. 4]

William Witney

Director

Alan James

Director

Franklin Adreon

Screenplay

Helene Turner
Sol C. Siegel

Associate Producer

Terry Kellum

Sound Engineer

Raoul Kraushaar

Music Director

Edward Todd

Editor

Morgan Cox

Story

Barry Shipman

Screenplay

William Nobles

Director of Photography