Marcel Grabowiecki is a London-based actor and screenwriter. Originally from Gdansk, Poland, he trained for nearly a decade at the State Ballet School before moving to London to pursue his lifelong dream of studying drama. During his studies, he discovered a passion for screenwriting.

His debut short film What I Can't Tell You won multiple international awards, including Best Actor and Best First-Time Director in 2020 and 2021. His next project, the psychological thriller Ebb & Flow, which he co-wrote, produced, and starred in, gained international recognition in 2024. Behind-the-scenes footage from the film was featured on Polish National Television. In the same year, he wrote the comedy feature Boys Cry, which is in development with producers in Poland.

In 2025, he became a Sundance Collab TV Writing Program alumnus, and his untitled TV comedy pilot was selected as a finalist in the Palm Springs International Screenplay Awards.

As of 2025, he has been cast in a feature film led by a visionary director, in production.