Umberto Lenzi
Director
Brigida Mastrolillo
Assistant Editor
Tonino Pinto
Unit Publicist
María Isabel Pérez
Script Supervisor
Antonella Maziotti
Seamstress
Mario Sbrenna
Camera Operator
Alfio Quattrini
Still Photographer
Renato Palmieri
Assistant Camera
Giulio Battiferri
Camera Operator
Giuseppe Ferranti
Special Effects
Franco Di Girolamo
Special Effects
Raul Montesanti
Sound Mixer
Nick Alexander
ADR Editor
Wolfgang Burmann
Set Designer
Riccardo Petrazzi
Assistant Director
Rodolfo Martello
Unit Manager
Giuseppe Ferranti
Makeup Artist
Franco Di Girolamo
Makeup Artist
Maria Teresa Carrera
Hairstylist
Silvana Scandariato
Costume Designer
Mario Molli
Art Direction
Daniele Alabiso
Editor
Hans Burmann
Director of Photography
Stelvio Cipriani
Original Music Composer
Luis Méndez
Producer
Diego Alchimede
Producer
Piero Regnoli
Writer
Luis María Delgado
Writer
Antonio Cesare Corti
Writer
Hugo Stiglitz
Dean Miller
Laura Trotter
Dr. Anna Miller
Maria Rosaria Omaggio
Sheila Holmes
Francisco Rabal
Major Warren Holmes
Sonia Viviani
Cindy
Eduardo Fajardo
Dr. Kramer
Stefania D'Amario
Jessica Murchison
Ugo Bologna
Mr. Desmond
Sara Franchetti
Liz the Maid
Manuel Zarzo
Colonel Donahue (as Manolo Zarzo)
Tom Felleghy
Lieutenant Reedman (as Tom Felleghi)
Pierangelo Civera
Bob
Achille Belletti
TV Station Technician
Mel Ferrer
General Murchison
Agustín Bescos
Man in Elevator (uncredited)
Edy Biagetti
Military Officer (uncredited)
Frank Clement
Aide (uncredited)
Ottaviano Dell'Acqua
Zombie Outside TV Station (uncredited)
Roberto Dell'Acqua
Zombie (uncredited)
Alejandro de Enciso
Captain (uncredited)
Umberto Lenzi
Reporter (uncredited)
Fiamma Maglione
Mr. Desmond's Secretary (uncredited)
Carmen Martínez Sierra
Woman in Elevator (uncredited)
Antonio Mayans
Cameraman (uncredited)
Benito Pacifico
Zombie (uncredited)
Renzo Pevarello
Victim at Murchison House (uncredited)
Silvana Scandariato
Woman at TV Station (uncredited)
Maurizio Streccioni
Television Station Worker (uncredited)
Sergio Testori
Soldier (uncredited)
José Yepes
Controller (uncredited)
Rinaldo Zamperla
Zombie (uncredited)
Anna Maria Zamperla
Marta Jones (uncredited)
Román Ariznavarreta
Zombie (uncredited)
Giuseppe Monteverdi
Jack Jones (uncredited)
