Vincent Price

Dr. Robert Morgan

Franca Bettoia

Ruth Collins

Emma Danieli

Virginia Morgan

Giacomo Rossi Stuart

Ben Cortman

Umberto Raho

Dr. Mercer

Christi Courtland

Kathy Morgan

Antonio Corevi

Governor

Ettore Ribotta

TV Reporter

Rolando De Rossi

TV Reporter

Giuseppe Mattei

New People Leader

Enrico Salvatore

TV Reporter

Alessandro Tedeschi

Passerby

Carolyn De Fonseca

Ruth Collins (voice)

Alfonso Avincola

Still Photographer

Richard Matheson

Novel

Robert L. Lippert

Producer

Renato Pedrini

Electrician

Alvaro Lanzoni

Camera Operator

Angiolina Menichelli

Costume Design

Ubaldo Ragona

Screenplay

Norman B. Schwartz

Music Editor

Rita Agostini

Script Supervisor

Armando Timpani

Sound Recordist

Carmen Frosali

Costume Supervisor

Bruno Zanoli

Boom Operator

Richard Matheson

Screenplay

Vico Vaccaro

Production Manager

Luciano Volpato

Production Supervisor

Franco Rispoli

Other

Ermete Santini

Other

Ubaldo Ragona

Director

Sidney Salkow

Director

Samuel Z. Arkoff

Executive Producer

Gene Ruggiero

Editor

Brunello Serena Ulloa

Set Decoration

Pierantonio Mecacci

Makeup Artist

Enzo Silvestri

Sound Engineer

Carlo Grandone

Assistant Director

William F. Leicester

Screenplay

Furio M. Monetti

Screenplay

Harold E. Knox

Associate Producer

Franco Delli Colli

Director of Photography

Bert Shefter

Original Music Composer

Paul Sawtell

Original Music Composer

Federico Tocci

Key Grip

Angelo Lannutti

Assistant Camera

Lionello Meucci

Assistant Production Manager

Alfonso D'Artega

Orchestrator

Giorgio Giovannini

Art Direction

Associated Producers (API)

US

Produzioni La Regina

American International Pictures

US