Jiřina Bohdalová

as Hop (voice) (uncredited)

13 episodes

Vladimír Hrubý

as Hup (voice) (uncredited)

13 episodes

František Filipovský

as Rybička (voice) (uncredited)

12 episodes

Oldřich Musil

as Captain (voice) (uncredited)

4 episodes

Miloš Kopecký

as Pepa Bepa (voice) (uncredited)

2 episodes

Nataša Gollová

as Turtle (voice) (uncredited)

2 episodes

Antonín Jedlička

as Radio (voice) (uncredted)

1 episodes