Neutrón contra el Dr. Caronte

Wolf Ruvinskis

Carlos Márquez

Julio Alemán

Jaime Yáñez

Armando Silvestre

Mario Núñez

Rosita Arenas

Nora Walker

Roberto Ramírez Garza

Roberto

Guillermo Álvarez Bianchi

Guillermo Lezman

Rodolfo Landa

Inspector Lozano

Claudio Brook

Professor Walker

Jack Taylor

Professor Thomas (as Grek Martin)

Manuel Vergara 'Manver'

Tony

José Loza

Esbirro

Ángel Di Stefani

Wrestling Trainer

Federico Curiel

Music Maestro

Carlos León

Policeman