Young knight John travels the world in search of fame and fortune, but also to help others and prove himself. However, things go dire fast and he becomes burdened with life's hardships. But then he meets a pretty water nymph, Mary.
| Actor | Role |
|---|---|
 Otakar BrousekNarrator (voice) | Narrator (voice) |
 Antonín ProcházkaJohn (voice) | John (voice) |
 František FilipovskýDwarfs (voice) | Dwarfs (voice) |
 Naďa KonvalinkováMary (voice) | Mary (voice) |
 Jaroslav MoučkaKnight Matej Beran from Beranov (voice) | Knight Matej Beran from Beranov (voice) |
| KKarel Semerád(voice) | (voice) |
| ZZdeněk Vašek(voice) | (voice) |
 Hana Zaoralová(voice) | (voice) |
| MMiloš Vosmanský(voice) | (voice) |
| JJiří JuřinaNot listed | Not listed |
 Jana Tomečková(voice) | (voice) |
 Jytte AbildstrømDanish narrator | Danish narrator |
 Helena VondráčkováMary (singing voice) | Mary (singing voice) |