Franziska received 21 letters after her contact ad from a certain Fabian Stiller. The Munich waitress only finds out that his real name was Florian Haugk when her admirer is found dead.
Unfortunately the movie 21 Liebesbriefe is not yet available on HBO Max.
| Directing | Nina Grosse | Director |
| Writing | Nina Grosse | Writer |
| Writing | Friedrich Ani | Writer |
| Production | Oliver Berben | Producer |
| Production | Dieter Salzmann | Executive Producer |
| Editing | Patricia Rommel | Editor |
| Camera | Benedict Neuenfels | Director of Photography |
| Production | An Dorthe Braker | Casting |
| Costume & Make-Up | Mika Braun | Costume Design |
| Art | Benedikt Herforth | Production Design |
| Art | Marion Schubert | Production Design |
| Sound | Gregor Arnold | Sound Designer |
| Sound | Sebastian Riegel | Sound |
| Sound | Holger Rogge | Sound Mixer |
| Sound | Frank Schreiner | Sound |
| Sound | Marco Meister | Music |
