Mekia Cox has boarded NBC's spy drama Undercovers, from writer/producer/director J.J. Abrams.

According to The Hollywood Reporter, Cox will replace Jessica Parker Kennedy on the highly anticipated series. She'll play Lizzy, the older sister of the female lead, who is unaware of her family's involvement in the CIA.

Undercovers is produced by Warner Bros. and Bad Robot and is considered one of NBC's frontrunners in the fall.