Original title (ES): La muerte de un comediante (The Death of a Comedian)

Actor Juan Debré (Diego Peretti) has spent a lifetime playing the hero in a TV series while remaining detached from his own identity. When diagnosed with a terminal illness, he embarks on a surreal journey to Belgium, birthplace of his childhood comic book idol, in search of meaning and perhaps redemption.

https://www.themoviedb.org/movie/1007435-la-muerte-de-un-comediante