After completing his secondary education, he enrolled at the Aleksander-Zelwerowicz Academy for Drama in Białystok and began his study of puppet shows.

As an actor, he appeared in the Wybrzeże Theatre and worked with directors such as Anna Augustynowicz, Grzegorz Wiśniewski and Ewelina Marciniak.

Domalewski's second feature film I Never Cry (original title: Polish: Jak najdalej stąd; translates to: As Far Away From Here as Possible) premiered in September 2020.

[8] Marcin Ciastoń drew inspiration for the screenplay from Operation Hyacinth, an action undertaken by the Polish secret services in the 1980s.

Launched under the pretext of tackling the AIDS epidemic and prostitution, Operation Hyacinth saw a significant number of homosexuals imprisoned, arrested, or otherwise persecuted.