Paco, the teenage son of a Civil Guard commander in Basque Country, becomes addicted to heroin.
Betty
Mikel Orbea
Coronel
El cojo
Paco
Evaristo Torrecuadrada
Martín Aramendía
Pilar
Eulalia
Urko
Colonel / Doctor (voice) (uncredited)
Evaristo Torrecuadrada (voice) (uncredited)
Teniente Alcántara