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.
Miguel
Manolo
Marisa
Don Román
Miguel's Mother
Quique
Trainer
Waiter
Carlos
Miguel's Friend
Housemaid
Molina's Manager
'El Anchoa'
Referee
Pedro Molina
Paying Man
Radio Presenter
Radio Presenter / Narrator (voice) (uncredited)
