All Cast
Terence Hill
Kid
Bud Spencer
Ben
John Sharp
Jefe
Patty Shepard
Liza
Donald Pleasence
Doctor
Deogratias Huerta
Attila
Manuel de Blas
Paganini
Luis Barbero
Jeremias
Emilio Laguna
Director coral
Rafael Albaicín
Feriante
Giancarlo Bastianoni
Gimnasta
Roberto Alessandri
Ada Pometti
Chica 1
José Yepes
Inés Morales
Chica 2
José Luis Lizalde
Omero Capanna
Matón en la fiesta (uncredited)
Giovanni Cianfriglia
Boxeador (uncredited)
Rémy Julienne
Matón motorista (uncredited)
Rocco Lerro
Gimnasta (uncredited)
Manuel Mateos
(uncredited)
Franco Moruzzi
Gimnasta (uncredited)
José Panizo
Bingo (uncredited)
Osiride Pevarello
Gymnast (uncredited)
José Santa Cruz
Lefty (uncredited)
Pietro Torrisi
Gimnasta (uncredited)
Franco Ukmar
Gimnasta (uncredited)