Trailer
 | Hugo Haas as vězeňský knihovník Dr. Alois Pech |
 | Ema Pechová as matka Pechová |
 | Adina Mandlová as Marcela Johnová |
 | Otto Rubík as Eddy |
 | Antonín Novotný as Willy |
 | Bedřich Veverka as přítel Marcely |
 | František Kreuzmann as Pospíšil |
 | Ferdinand Hart as sedminásobný vrah |
 | Stanislav Neumann as zloděj Suček |
 | Jaroslav Marvan as dozorce |
 | Karel Dostal as ředitel věznice |
 | Jan W. Speerger as dozorce |
| Karel Němec as dozorce |
| Emil Dlesk as trestanec |
| František Plodr |
| František Jerhot as trestanec |
| Karel Kolár as strážník |
 | Václav Trégl as soused |
 | Helena Bušová as Marcelinina přítelkyně |
| Antonín Jirsa as silák |
| Bohdan Lachman as starý generál |
| Vladimír Smíchovský as chodec |
 | Josef Gruss as pán ze společnosti |
| Jan Marek as žebrák |
| František Fleischman as zřízenec na zimním stadionu |
| Anton Vaverka as komorník |
| Jarmila Holmová as Marcelina kamarádka |
| Antonín Kubový as karbaník |
| Rudolf Žák as karbaník |
| Sound | |
| Pavel Haas | Original Music Composer |
| Bedřich Poledník | Sound |
Camera | |
| Václav Vích | Director of Photography |
Directing | |
| Martin Frič | Director |
Art | |
| Arnold Reimann | Set Decoration |
Writing | |
| Martin Frič | Screenplay |
| Hugo Haas | Story |
| Hugo Haas | Screenplay |
Art | |
| Štěpán Kopecký | Production Design |
Editing | |
| Martin Frič | Editor |
Writing | |
| Martin Frič | Story |
