Justin Cornwell

Justin Michael Cornwell (born November 5, 1988) is an American actor, writer and musician best known for playing Young Jeronicus Jangle in the Netflix original movie Jingle Jangle, Marcus Hargreeves in The Umbrella Academy, LaMarcus Alton in Bel-Air and Kyle Craig in the CBS crime drama, Training Day, based on the 2001 film of the same name.

Early life and education Cornwell was born in Sharon, Pennsylvania to Sidney Cornwell and Robin Bodiford. However, he was primarily raised in Cleveland, Ohio and Louisville, Kentucky. At age 10, he relocated with his mother and stepfather Jackie Herring (died 2009) to Louisville where he was encouraged to pursue art after first showing an interest in grade school. He graduated from Eastern High School where he participated in chorus and school plays. He was named as a premier student artist at the Muhammad Ali Center. He attended the University of Louisville where he continued studying acting. Cornwell relocated to Chicago in 2011 to pursue his acting career. While constantly working in theater and on the crew of TV shows, he booked appearances in commercials for Walmart and the Ohio Lottery. In 2014, Cornwell appeared in an episode of the NBC crime drama, Chicago P.D. In 2015, he appeared in an episode of Fox's musical drama, Empire and later had an uncredited appearance in Spike Lee's Chi-Raq. In 2017, Cornwell was cast in the TNT limited series I Am the Night, produced by Patty Jenkins and Chris Pine, which aired its limited run in January 2019. That same year also saw Cornwell star in the NBC supernatural crime drama, The InBetween, which ended its run after only one season. In the fall of 2020, Cornwell appeared in the event musical Jingle Jangle for Netflix as young Jeronicus Jangle performing the opening song This Day in the film. In January 2021, it was announced that Cornwell would be joining the season 3 of Netflix series The Umbrella Academy as the leader of an alternate group of super powered siblings called the Sparrow Academy. As of June 2021, Cornwell was announced as a lead in Gareth Evans Netflix action thriller Havoc starring alongside Tom Hardy and Forest Whitaker. in 2023-24 Cornwell appeared in season 2 and 3 of Bel-Air as Lamarcus Alton.

Filmography

Movies Year Title Role Notes 2018 We Are Boats Freddie 2020 Jingle Jangle: A Christmas Journey Young Jeronicus 2024 The Million Dollar Bet Jack 2025 Havoc Charlie Beaumont

Television Year Title Role Notes 2014 Chicago P.D. James Grant Episode: "Prison Ball" 2015 Empire Songwriter Episode: "The Devil Quotes Scripture" 2017 Training Day Kyle Craig Lead2019 I Am the Night Terrence Shye Limited series The InBetween Damien Asante Lead 2022 The Umbrella Academy Marcus Hargreeves / Sparrow Number One Recurring role (season 3) 2023–2024 Bel-Air Lamarcus Alton Recurring role (season 2 and season 3) 2025 The Rookie A.J Knox Guest Star (season 7) 2025–present Matlock Remy Hodges Recurring Role (season 2)

Video games Year Title Role Notes 2014 Watch Dogs Viceroys Additional voices