Gerard Jofra, real-life son of Eugenio, makes a cameo as Radio Lugo announcer. Jofra worked in the movie as writer too.
Comedian and actor Pedro Ruiz and actress and TV hostess Mónica Randall make cameos playing themselves.
Spanish filmmaker Paco Plaza makes a cameo as Narciso Ibáñez Serrador (short as 'Chicho'). Chicho was producer and director of different shows and movies for cinema and TV. Alongside Un, dos, tres... responda otra vez (1972), which appears in the movie, he created another things as Historias para no dormir (1966) and Ein Kind zu töten... (1976).
Actress and model Lara Dibildos makes a cameo playing her mother Laura Valenzuela. Valenzuela was not only one of the most famous TV hostesses in Spain from the 1960s, but also the first TV hostess ever in Spain.
Miriam Díaz-Aroca makes a cameo as hostess of the TV contest Un, dos, tres... responda otra vez (1972). Díaz-Aroca worked on the program from 1991 to 1993. "Un, Dos, Tres" was one of the most famous TV shows in Spain, and it was also one of the longest in the country, being broadcast from 1972 to 2004.