Sonequa Chaunté Martin-Green is an American actress. She is best known for her television roles as Michael Burnham, the main character in the streaming television series Star Trek: Discovery, and as Sasha Williams on The Walking Dead. Before that, Martin-Green starred in several independent films before gaining her first recurring role, as Courtney Wells on The Good Wife. Later, she had recurring roles as Tamara in Once Upon a Time and Rhonda in New Girl.

Michael Burnham is the protagonist of Star Trek: Discovery, portrayed by American actress Sonequa Martin-Green. She originally appears as the First Officer of USS Shenzhou under Philippa Georgiou until she commits mutiny, for which she is stripped of rank and sent to prison for life. Burnham is later recruited by Gabriel Lorca on USS Discovery as a science specialist after serving only six months of her sentence, with Lorca viewing Burnham as an asset in the war against the Klingons. She serves as the series lead. The character is introduced as a xeno-anthropologist helping the Earth-based Starfleet understand and engage with new cultures in outer space.