Julia and Tobias discover that their daughter Marielle has suddenly developed telepathic abilities and can see and hear everything they do. This leads to situations ranging from the awkward to the absurd as uncomfortable truths are revealed.
Is What Marielle Knows on Netflix? Unfortunately the movie What Marielle Knows is not yet available on Netflix.
| Directing | Frédéric Hambalek | Director |
| Writing | Frédéric Hambalek | Writer |
| Camera | Alexander Griesser | Director of Photography |
| Editing | Anne Fabini | Editor |
| Art | Bartholomäus Martin Kleppek | Production Design |
| Production | Ulrike Müller | Casting |
| Production | Philipp Worm | Producer |
| Production | Tobias Walker | Producer |
| Sound | Steffen Pfauth | Original Music Composer |
| Costume & Make-Up | Mara Laibacher | Costume Design |
