Jiřina Bohdalová
Hop (voice) (uncredited)
Vladimír Hrubý
Hup (voice) (uncredited)
Miloš Kopecký
Pepa Bepa (voice) (uncredited)
Nataša Gollová
Turtle (voice) (uncredited)
František Filipovský
Rybička (voice) (uncredited)
Oldřich Musil
Captain (voice) (uncredited)
