[3] Much like his parents, he was drawn towards artistic pursuits at an early age, participating in advertising campaigns and small acting roles as an extra, as well as undergoing formal dance training.

[5] Guevara's next big role came in the 2020 TVE series, HIT, a high school drama about an unconventional educator tasked with turning around troubled institutions.

[12] According to Amazon Prime Video, My Fault attained the highest opening three-day viewership figures of any non-English local original film in the history of the service after its release in June 2023.

[19] Guevara was arrested on 2 September 2023 in Venice, Italy on an international warrant for an alleged sexual assault that had taken place in France.

[20] On 3 September 2023 Guevara's acting representation, Brosson Talent Management, released a statement to the public, saying, "It is an old process in France, when Gabriel was a minor and in Spain, it has already been resolved in his favor with all the acquittals.

[22][23] On 15 September 2023 the Venetian Court of Appeals declared the arrest warrant and extradition request against Guevara null and void, and he was allowed to return home to Madrid.

[24] Prime Video, the streaming service behind the My Fault film franchise, also confirmed they were conducting their own independent investigation into the matter, per their lawyers.