Mekia Cox is a versatile American actress and dancer who has captivated audiences across network television, from her breakout role as Sasha in the CW drama 90210 to her current starring turn as Detective Nyla Harper in the ABC police procedural The Rookie. With a career that spans stage, screen, and even the concert stage of the late Michael Jackson, Cox has built a reputation for bringing depth and grace to a wide array of characters, from medical professionals to fairy-tale royalty. Born and raised in the United States, Cox developed a passion for performing arts at a young age, training extensively in dance and theater. Her early professional work was closely tied to Universal Studios and Nickelodeon, where she honed her craft in front of live audiences and television cameras. She continued to refine her skills throughout high school and college, eventually embarking on a national tour in stage productions of musicals such as Fame, which gave her invaluable experience as a performer.

Cox’s transition to screen acting gained significant momentum in the late 2000s. In 2009, she landed a role that would place her in the global spotlight: she was chosen as one of the dancers for the planned Michael Jackson concert series This Is It and subsequently appeared in the accompanying documentary film Michael Jackson's This Is It. Though the concert series was never realized due to Jackson’s untimely death, the film became a worldwide phenomenon and introduced Cox to a vast international audience. The following year, she co-starred as Lizzy Gilliam in the short-lived NBC spy drama Undercovers, created by J.J. Abrams. While the series did not last long, it demonstrated her ability to handle action-oriented roles and further established her as a rising talent in Hollywood.

Cox’s television career continued to flourish with a series of notable guest and recurring roles. She appeared in the hit teen drama 90210 as Sasha, a role that showcased her dramatic range, and later joined the cast of the NBC medical drama Chicago Med as Dr. Robin Charles, a compassionate and skilled physician. In a career highlight, she portrayed Princess Tiana, the beloved Disney princess, in the ABC fantasy drama Once Upon a Time, bringing the animated character to life in a live-action context that delighted fans of the franchise. Most recently, Cox joined the main cast of The Rookie in its third season as Detective Nyla Harper, a tough, no-nonsense police officer with a complex past. Her performance has been widely praised for its intensity and nuance, making Harper a fan-favorite character on the long-running series. Through these varied roles, Mekia Cox has proven herself to be a dynamic and enduring presence in television, and she continues to be a prominent figure on the small screen.