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