By chance, Miguel el Tarta becomes a potential boxing champion. Manipulated by Manolo, his opportunistic and cynical best friend, and several unscrupulous individuals, Miguel is thrown into the ring, where he tries to fight with more enthusiasm than technique.
José Luis Ozores
as Miguel
Tony Leblanc
as Manolo
Hélène Rémy
as Marisa
José Marco Davó
as Don Román
Julia Caba Alba
as Miguel's Mother
Miguel Ángel Rodríguez
as Quique
Antonio Garisa
as Trainer
José Ramón Giner
as Waiter
Leo Anchóriz
as Carlos
Aníbal Vela Jr.
as Miguel's Friend
Juana Ginzo
as Housemaid
Julio Goróstegui
as Molina's Manager
