From Halopedia, the Halo wiki
Makee's existence was first unveiled by Showtime on November 8, 2019. In the television series the network is airing she will be played by Irish actress Charlie Murphy. According to Frank O'Connor, Franchise Development Director at 343 Industries, audiences will be shown why Makee was spared from destruction by the Covenant within minutes of being introduced to her. He has also stated that the rationality behind this decision involves something anyone familiar with the Halo games should know about.
List of appearances