Old man
manager Pramenu
Tycho de Brahe
Holz
Lojza
MUDr. Hanzl
Votruba
CKD Engineer (as Bohus Hradil)
Karel Žíbek, Jan's father
police doctor
innkeeper Berka
profesor AMU
Ucitel
investigating officer
Dr. Pluhar
Marcan (as B. Hradil)
senior official
cinema manager
Mikes
professor in a hat
švec
Prague citizen
Svatka clerk
Man in commission
Maškův kolega z orchestru
dvořan
sociální referent
(voice)
Commentary (voice)
Sulc