Timothy Bottoms

Pedro Fontán

Taryn Power

Margaret

Jared Martin

First Mate Lemaris

Ray Milland

Professor Timothy Wallace

Gérard Tichy

Carole James

Jill

Jack Taylor

Hospital Killer

León Klimovsky

Dr. Moore

Charly Bravo

Víctor Israel

Porto, Night Watchman

Pilar Alcón

Nurse (as Diana Eagle)

José Canalejas

Eduardo Bea

Teresa del Olmo

Alicia González

José Yepes

Jorge Bosso

Beatriz Savón

José Bastida

Barta Barri

Defensor

Paco Catalá

Fabián Conde

Alfonso de la Vega

Alfredo Enríquez

José Ramón Pardo

Luís Zagalo

Miguel de Grandy

Paul Benson

Amando de Ossorio

Director

Raúl Pérez Cubero

Director of Photography

Manel Santisteban

Original Music Composer

José Antonio Rojo

Editor

Amando de Ossorio

Screenplay

José Frade

Producer

Thomas Urbant

Special Effects

Erika Szel

Script Supervisor

José Luis Galicia

Art Direction

Alex Digest

Still Photographer

Vincent D. White

Construction Coordinator

Joseph Cherry

Sound Recordist

Joseph Vargas

Special Effects

Dolores García Rey

Hairstylist

Frank Cuttlet

Special Effects

Salvador Gómez Calle

Assistant Camera

Fernando Florido

Makeup Artist

Antonio Sáiz Palazón

Camera Operator