Serpiente de mar

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

Réalisation

Erika Szel

Script Supervisor

Amando de Ossorio

Scénario

José Frade

Production

Raúl Pérez Cubero

Photographie

Antonio Sáiz Palazón

Cadrage

Alex Digest

Still Photographer

Salvador Gómez Calle

Assistant Camera

José Antonio Rojo

Montage

Manel Santisteban

Musique

Joseph Cherry

Sound Recordist

José Luis Galicia

Direction artistique

Vincent D. White

Construction Coordinator

Fernando Florido

Maquillage

Dolores García Rey

Coiffure

Thomas Urbant

Special Effects

Joseph Vargas

Special Effects

Frank Cuttlet

Special Effects