James Craig

Russ Bradford

Gloria Talbott

Susan Winter

Lon Chaney Jr.

Martin 'Marty' Melville

Tom Drake

Lee Brand

Duncan 'Dean' Parkin

The Cyclops

Vicente Padula

The Governor

Marlene Kloss

The Salesgirl

Manuel López

The Policeman

Bert I. Gordon

Director

Bert I. Gordon

Writer

Jack H. Young

Special Effects Makeup Artist

Flora M. Gordon

Producer's Assistant

Henry Schrage

Associate Producer

Carlo Lodato

Editor

Albert Glasser

Original Music Composer

Ray Taylor Jr.

Assistant Director

Bert I. Gordon

Special Effects

Harry L. Fraser

Assistant Director

Ira H. Morgan

Director of Photography

Bert I. Gordon

Producer

Carlie Taylor

Makeup Artist

Henry Schrage

Production Manager