Nando Gazzolo as Johnny (voice)

Vittoria Febbi as Clementina (voice)

Carlo Romano as Il Cattivissimo (voice)

Luigi Pavese as Ursus (voice)

Willy Moser as Smilzo (voice)

Lydia Simoneschi as Esmeralda (voice)

Gianfranco Bellini as Becchino Barbuto (voice)

Anna Miserocchi as Mucca Scura (voice)

Flaminia Jandolo as Mucca Gialla (voice)

Vittoria Febbi as Mucca Rosa (voice)

Ferruccio Amendola as Cavallo del Cattivissimo (voice)