The story of the legendary architect Petr Parléř, who is charged by the king Charles IV with the task of building a Gothic cathedral in Prague.
| Actor | Role |
|---|---|
| JJakub SeifertCharles IV | Charles IV |
 Rudolf DeylPetr | Petr |
| KKarel KolárStonecutter | Stonecutter |
 Eva VrchlickáAlice | Alice |
 Jaroslav Hurt1st Builder / Devil | 1st Builder / Devil |
| FFlorentin Steinsberg2nd Builder | 2nd Builder |
| KKarel VáňaPriest / 3rd Builder | Priest / 3rd Builder |
| VVladimír ŠrámekCharles IV's Confessor | Charles IV's Confessor |
| MMilada ZázvorkováCharles IV's Page | Charles IV's Page |
 Rudolf DeylChild | Child |