Marcel Grabowiecki is a London-based actor and screenwriter originally from Gdańsk, Poland. He trained for nearly a decade at the State Ballet School before moving to London to study drama, where he discovered a passion for screenwriting. His debut short film, What I Can't Tell You, received multiple international awards across the 2020 and 2021 festival circuit. He followed this with the psychological thriller Ebb & Flow, which he co-wrote, produced, and starred in, earning international recognition in 2024. That same year, he wrote the comedy feature Boys Cry, which is currently in development. In 2025, Marcel became a Sundance Collab TV Writing Program alumnus, and his original TV comedy pilot was selected as a finalist in the Palm Springs International Screenplay Awards. As of 2026, Marcel continues to work across film and television as both an actor and writer. He recently wrapped production on a Focus Features horror film scheduled for release in late 2026, as well as an A24 thriller set for release in 2027.