The biographical film about the prematurely deceased violin virtuoso Josef Slavík takes place entirely like a haunting dream, in the mind of a feverish artist who remembers how he amazed Paganini himself with his playing.

Jaromír Spal
as Josef Slavík

Vlasta Fabianová
as Anna Zásmucká

Václav Voska
as Frederic Chopin

Karel Dostal
as Niccolò Paganini

Libuše Zemková
as Henrietta Astfeldová

Jiřina Krejčová
as Magdalenka

Marie Vášová
as

Eduard Kohout
as Pavel Adam Lažanský

Vladimír Řepa
as W. W. Würfel

František Smolík
as Quardián