Jan Werich: Když už člověk jednou je… (2021)
- Genre: Documentary
- Release Date: 2021-08-05
- Runtime: 1h 36min
- Language: Český
- Production Company: Bio Illusion
- Production Country: Czech Republic
- Directors: Martin Slunečko, Miloslav Šmídmajer.
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| Sound | Petr Malásek | Original Music Composer |
| Production | Martin Slunečko | Co-Producer |
| Production | Miloslav Šmídmajer | Producer |
| Directing | Martin Slunečko | Director |
| Crew | Mária Rudlovčáková | Dramaturgy |
| Crew | Bára Kopecká | Dramaturgy |
| Editing | Jakub Vansa | Editor |
| Directing | Miloslav Šmídmajer | Director |
| Production | Alena Ponková | Executive Producer |
