Jacinto had minor roles in Bad Times at the El Royale (2018) and Top Gun: Maverick (2022) and portrayed Qimir in the Star Wars series The Acolyte (2024).

[18] After small roles in series including Once Upon a Time, Supernatural, and iZombie; he was cast in 2015 as triad leader Wing Lei in the Canadian spy drama The Romeo Section by Chris Haddock.

[20] He received favourable reviews for his performance as Mendoza, an EDM-obsessed "lovable doofus" from Jacksonville, Florida, going against stereotypes of how Asian men are often portrayed in Hollywood.

[27] In November 2021, it was announced that Jacinto would voice Scott in the animated comedy-adventure series Hailey's On It!, which premiered in June 2023 on Disney Channel.

[28] In 2022, Jacinto voiced Lucan in the eight-episode sci-fi podcast Marigold Breach, alongside his Good Place co-star Jameela Jamil.