Neutron Battles the Karate Assassins

Wolf Ruvinskis

Neutron / Carlos Marquez

Ariadna Welter

Silvia

Jesús Salinas

Chucho

Carlos López Moctezuma

Uncle

Germán Robles

Ivan

Rodolfo Landa

Inspector Alberto Rivas

Fernando Luján

Nephew

Imelda Miller

The Gay Crooners

Themselves

Miguel Arenas

Mario Cid

Federico Falcón

Juan Garza

John Kelly

Xavier Massé

Fernando Osés

Gerardo Zepeda

Guillermo Álvarez Bianchi