Supersonic Man

José Luis Ayestarán as Kronos/Supersonic Man Quique Camoiras as Bill Emilio Fornet Tito García as George José María Caffarel as Prof. Morgan / Prof. Gordon Luis Barboo as Harrison Ángel Ter Antonio Cantafora as Paul Cameron Mitchell as Dr. Gulik Frank Braña as Peterson Marta Fernández Muro

Pedro del Rey Editor Juan Piquer Simón Director, Screenplay, Executive Producer, Special Effects Juan Mariné Director of Photography Dick Randall Producer