Jan Werich
Emperor Rudolf II / Matheus Kotrba, The Baker
Nataša Gollová
Katerina aka Sirael
František Černý
Hieroným Alessandro Scotta, alchemist
Marie Vášová
Countess Katharina Strada
Zdeněk Štěpánek
Marshal Russworm
František Filipovský
Court Astrologer
Václav Trégl
The Emperor's Servant
Vladimír Leraus
Hungarian Delegate
Miloš Nedbal
Court Physician
Bohuš Hradil
Tycho de Brahe
František Holar
Captain of the Guard
Lubomír Lipský
An Alchemist
Bohumil Bezouška
Artist Hans von Aachen
Josef Kemr
The Atom-Splitting Alchemist
Miroslav Svoboda
Master of Ceremonies
Eliška Kuchařová
The Gardener
Alois Dvorský
Man Outside Bakery
Gustav Hrdlička
First Barber
František Miroslav Doubrava
Second Barber
Marie Nademlejnská
Woman Outside Bakery
Miloš Kopecký
An Alchemist
Vladimír Svitáček
Fire Juggler
Ladislav Rychman
Man at Desk
Antonín Jirsa
Doctor's Aide
Martin Raus
Servant With Vase
Emanuel Kovařík
Court Chamberlain
Anna Pitašová
Second Handmaiden
Věra Chytilová
First Handmaiden