Antonio Cantafora

Character: Paul

José Luis Ayestarán

Character: Kronos/Supersonic Man

Cameron Mitchell

Character: Dr. Gulik

Diana Polakov

Character: Patricia Morgan / Patricia Gordon

José María Caffarel

Character: Prof. Morgan / Prof. Gordon

Frank Braña

Character: Peterson

Javier De Campos

Character: Drunk

Tito García

Character: George

Luis Barboo

Character: Harrison

Quique Camoiras

Character: Bill

Ángel Ter

Character:

Emilio Higuera

Character:

Luis Castilla

Character:

Emilio Fornet

Character:

Marta Fernández Muro

Character:

José Antonio Rico

Character:

Teófilo Martínez

Character: (voice)

Óscar Simón

Character: