Proč sedají ptáci na telegrafní dráty (1949)
დირექტორი:
Eduard Hofman
მწერლები:
Eduard Hofman, Norbert Frýd.
| Sound | Ilja Hurník | Original Music Composer |
| Writing | Eduard Hofman | Screenplay |
| Sound | Otakar Pařík | Conductor |
| Writing | Norbert Frýd | Screenplay |
| Production | Jaroslav Jílovec | Production Director |
| Writing | Norbert Frýd | Story |
| Directing | Eduard Hofman | Director |
| Art | Zdeněk Seydl | Art Designer |
