Jan Werich as Emperor Rudolf II / Matheus Kotrba, The Baker

Nataša Gollová as Katerina aka Sirael

Jiří Plachý as Edward Kelley

František Černý as Hieroným Alessandro Scotta, alchemist

Marie Vášová as Countess Katharina Strada

Bohuš Záhorský as Lang

Zdeněk Štěpánek as Marshal Russworm

František Filipovský as Court Astrologer

Václav Trégl as The Emperor's Servant

Vladimír Leraus as Hungarian Delegate

Miloš Nedbal as Court Physician

Bohuš Hradil as Tycho de Brahe

František Holar as Captain of the Guard

Vladimír Řepa as

Lubomír Lipský as An Alchemist

Theodor Pištěk as

Bohumil Bezouška as Artist Hans von Aachen

Felix le Breux as

Josef Kemr as The Atom-Splitting Alchemist

Fanda Mrázek as

Ota Motyčka as

Miroslav Svoboda as Master of Ceremonies

Jan S. Kolár as An Alchemist

Eliška Kuchařová as The Gardener

Josef Hlinomaz as

Alois Dvorský as Man Outside Bakery

Jana Werichová as

Gustav Hrdlička as First Barber

František Miroslav Doubrava as Second Barber

Marie Nademlejnská as Woman Outside Bakery

Magda Kopřivová as

Jaroslav Vlk as

Miloš Kopecký as An Alchemist

Jindřich Doležal as

Josef Oliak as

Eva Jiroušková as

Vladimír Svitáček as Fire Juggler

Ladislav Rychman as Man at Desk

Antonín Soukup as A Baker

Václav Švec as Servant

Antonín Jirsa as Doctor's Aide

Martin Raus as Servant With Vase

Emanuel Kovařík as Court Chamberlain

Hynek Němec as

Anna Pitašová as Second Handmaiden

Věra Chytilová as First Handmaiden

Jana Svobodová as

Dagmar Moulíková as

Ida Zázvorková as

Věra Waldhansová as

Viktor Pejsar as