Wolf Ruvinskis as Neutron / Carlos Marquez

Ariadna Welter as Silvia

Jesús Salinas as Chucho

Carlos López Moctezuma as Uncle

Germán Robles as Ivan

Rodolfo Landa as Inspector Alberto Rivas

Fernando Luján as Nephew

Imelda Miller as

The Gay Crooners as Themselves

Miguel Arenas as

Mario Cid as

Federico Falcón as

Juan Garza as

John Kelly as

Xavier Massé as

Fernando Osés as

Gerardo Zepeda as

Guillermo Álvarez Bianchi as