"A criminal produces an uncontrollable laughter to the population and Mortadelo and Filemón will have to stop him."
Karra Elejalde
as Mortadelo / Tía Fulgencia (voice)
Janfri Topera
as Filemón (voice)
Gabriel Chame Buendía
as Jimmy el Cachondo (voice)
Ramón Langa
as Filemón en sueños (voice)
Mariano Venancio
as El Súper (voice)
Víctor Monigote
as Tronchamulas reversizado (voice)
José Alias
as Tronchamulas (voice)
Emilio Gavira
as Rompetechos (voice)
Enrique Villén
as El Profesor Bacterio (voice)
Berta Ojea
as Ofelia (voice)
Athenea Mata
as Señorita Irma (voice)
Chani Martín
as Mari (voice)
Manuel Tallafé
as Trini (voice)
Javier Laorden
as Guardia / Niño 2 (voice)
Rocío Calvo
as Vecina Filemón / Niño 3 (voice)
Karlos Arguiñano
as Cocinero TV (voice)
Javier Fesser
as Instalador caja fuerte / Voz sobre el periódico (voice)
Iesus Salamanca
as Ciego / Yoyolanda reversizada (voice)
Isabel Nuñez
as Yoyolanda / Reportera noticiaria TV (voice)
Claudia Fesser
as Bicho 1 / Pingüino (voice)
Director
Miguel Pablos
Director of Photography
Francisco Ramos
Producer
Writer
Cristóbal Ruiz
Luis Manso
Claro García
Francisco Ibáñez
Characters
Javier Abad
Animation Director
Jorge Blanco
Art Direction
Lighting Artist
Rafael Arnau
Original Music Composer
Character Designer
Production Design
Cecilia Bayonas
Casting
Juan Couto
Animation