Who is Justin Cornwell on Bel-Air? Everything you need to know

In the finale of the recently wrapped Bel-Air season 3, Will is kidnapped, and Justin Cornwell's character dies. Cornwell portrays Lamarcus Alton, the ex-boyfriend of Hilary Banks (Coco Jones), who later becomes her husband.

Bel-Air concluded its third season with a double-header finale on September 5 on Peacock. It showcases the modern-day characters from The Fresh Prince of Bel-Air. The third season, which saw Jabari Banks portray a fictionalized version of Will Smith in Bel-Air, ended with several cliffhangers and references to the original Fresh Prince of Bel-Air sitcom.

In the show, viewers see Cornwell's character Lamarcus trying to win Hilary back and pursue his football career despite his hidden health issues.

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Exploring Justin Cornwell's career beyond Bel-Air

Justin Cornwell primarily takes on recurring or guest roles in TV shows. He appeared in a single episode of the long-standing series Chicago P.D. and Empire early in his career. Cornwell later landed more significant roles, such as playing Det. Kyle Craig in CBS's Training Day and Damien in Asante.

The actor-musician also worked with several big names in Hollywood, including Chris Pine in the true crime thriller I Am The Night. He played the engineering student Terrence Shye for several episodes in the series.

Cornwell also has two movies in his filmography, which include the fantasy We Are Boats and the holiday pop musical Jingle Jangle: A Christmas Journey.

According to Movie Insider, Justin Cornwell will star in Tom Hardy's thriller Havoc and lead in the upcoming comedy-drama The Million Dollar Bet, currently in post-production.

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What to know about Lamarcus Alton in Bel-Air

Justin Cornwell's Lamarcus Alton first appears in the fifth episode of Bel-Air season 2, titled Excellence is Everywhere. His first scene in the show is at the hospital, where he introduces himself as Hilary's ex-boyfriend.

In season 2, episode 6, he joins the Banks at their family reunion and claims he has matured since Hilary last saw him. Lamarcus adds that he won't stop until he gets her back. Their reunion begins with friendship but turns romantic when they kiss before heading to Paris in episode 8 of the second season.

Bel-Air season 3 brings big changes for the Banks family, including Lamarcus's engagement with Hilary. However, their second chance at romance hits a bump when Lamarcus collapses on the football field during one of his games. Hilary, who watches from the sidelines, is visibly horrified.

Lamarcus spends some time in the hospital after being diagnosed with hypertrophic cardiomyopathy. Meanwhile, they continue planning their wedding and ultimately decide on a private ceremony at Martha's Vineyard. However, on their wedding day, Lamarcus is made aware of a secret that makes him think twice about marrying Hilary.

Hilary confesses that she met with Jazz a few days earlier for 'closure' and admits that they kissed months before, though she insists it didn't mean anything. Lamarcus walks out after hearing this revelation. However, after heartfelt conversations with Will Smith, Ashley, and Hilary, Lamarcus decides to proceed with the wedding. It is a happy occasion for the newlyweds and their families.

However, their joy is short-lived. During their honeymoon, as Hilary excitedly discusses plans to rent a yacht and go island hopping, Lamarcus unexpectedly passes away.

Fans may have noticed in season 3 episode 10 of Bel-Air, during the wedding scene, the pastor addressed Lamarcus by his full name: Lamarcus "Trevor" Alton. Those who watched The Fresh Prince of Bel-Air may recall that Hilary's fiancé from the original sitcom, Trevor, also passed away.

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All three seasons of Bel-Air are now streaming on Peacock.