For six seasons, Jon starred as Miguel Rivas on NBC’s This Is Us. His heartfelt portrayal of a character whose journey spanned decades—from the 1970s to present day—showcased both his emotional depth and remarkable physical transformation, captivating millions of viewers. Audiences also know him as the tough yet affable Detective Javier Esposito from ABC’s hit dramedy Castle , that ran for eight seasons, and for his standout performance as Sgt. Tony “Poke” Espera in HBO’s critically acclaimed limited  series Generation Kill, where his portrayal provided an authentic, streetwise perspective on the Marine Corps’ invasion of Iraq—a role Jon, as a military veteran himself, calls the most meaningful of his career. As one of a select group of LatinX actors who've successfully broken through in mainstream television—portraying authentic characters that resonate deeply with LatinX audiences as well as the broader general market—Jon is celebrated by fans and industry peers alike as an everyman, embodying the industry's commitment to embracing diverse, universal storytelling.

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As a filmmaker, Jon has directed episodic television, including multiple episodes of NBC's This Is Us, ABC's The Rookie, CBS's Tracker, as well as episodes of ABC's The Rookie: Feds, ABC's The Company You Keep, Amazon's Bosch spin-off Ballard, NBC's The Irrational, ABC's Home for The Holidays, and ABC's Castle: DVD Bonus Content, in addition to award-winning short films and music videos. He’s produced narrative and documentary feature films, earning him an appointment to the Academy of Motion Picture Arts and Sciences. The production shingle WestSide Stories, which he formed with his fellow Groundlings alum Kenny Stevenson, currently has several TV, podcast, and film projects in various stages of production and development. He recently produced Lena Heady’s feature directorial debut, The Trap, and is attached to direct two upcoming feature films. WestSide Stories has a slate of television projects in development, including the adaptation of Candace Fox’s novel Fire with Fire for Lionsgate and NBC, produced with Alexi Hawley’s Perfect Man Pictures and Jon’s producing partner Sherry Marsh, in which Jon will executive produce and star as the lead. Additional projects in development include Huey: In His Words, a collaboration with George Tillman’s State Street, about Huey P. Newton, co-founder of the Black Panther Party. The series Blue Tags, written by Jon and partner Kenny Stevenson, is being directed by Peter Farrelly and is also produced by WestSide Stories.