My Notes on Mars

My Notes on Mars is an upcoming English-language science-fiction romance film directed by Lili Horvát and starring Rupert Friend and Mackenzie Davis.

My Notes on Mars
Directed by	Lili Horvát
Screenplay by	Lili Horvát
Produced by	Lili Horvát Dóra Csernátony Emilie Georges Naima Abed Alexander Dumreicher-Ivanceanu Bady Minck Mirsad Purivatra Johan Marjanovic
Starring	Rupert Friend Mackenzie Davis
Production companies	Amour Fou Obala Art Centar
Countries	Hungary Austria
Language	English

Premise

A missing scientist reappears, but changed, on the day of her own memorial service having previously disappeared during a hiking trip.^[1]

Cast

• Mackenzie Davis as Margot
• Rupert Friend as Sam

Production

The film marks the English-language feature debut from director Lili Horvát. Horvát directed from her own script and produced with Dóra Csernátony for Poste Restante along with Emilie Georges and Naima Abed, Alexander Dumreicher-Ivanceanu and Bady Minck of Amour Fou and Mirsad Purivatra and Jovan Marjanovic of Obala Art Center. The film received support from the National Film Institute of Hungary.^[2]

Greta Lee and Andrew Scott initially joined the cast in August 2024. Later, Lee and Scott exited the film, with Mackenzie Davis and Rupert Friend replacing them.^[3][4]

Principal photography began in July 2025 with filming locations including Budapest, Vienna and the Austrian Alps. ^[4][5][6]