Paul Naschy as Krisna / Kantaka / Satán

Romy as Elvire Irving

Mirta Miller as Kala

María Kosty as Elsie

Aurora de Alba as Olivia Mortimer

Luis Ciges as MacMurdo

Pierre Besari as Ti Zachary

Antonio Pica as Superintendent Hawkins

Elsa Zabala as Susan

Montserrat Julió as Flora

Ramón Lillo as Basehart

Norma Kastel as Gloria Irving

Ingrid Rabel as Muerta

Asunción Molero as Muerta

Fernando Sánchez Polack as Augusto

Alfonso de la Vega as Absalon

Víctor Barrera as Dr. Lawrence Radcliffe

Pedro "Pedrucho" Basauri as (uncredited)