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

Jorge Casanova