Cast & crew
Der Dummkopf (1921)
Directed by Lupu Pick Written by Carl Mayer
Cast
| Eugen Rex | Beck |
| Rosa Valetti | Madame Leroy |
| Max Adalbert | Beck |
| Paul Heidemann | Justus Hardenberg |
| Lupu Pick | Dr Chaleck |
Crew
| Ludwig Fulda | Theatre Play |
| Carl Mayer | Screenplay |
| Friedrich Weinmann | Director of Photography |
| Lupu Pick | Director |