Simbi Khali, sometimes credited as Simbi Kali Williams, (born April 28, 1971) is an American actress, singer and songwriter, best known for her roles as Laquita Lumpkins on the FOX sitcom Martin, and as Nina Campbell on the NBC sitcom 3rd Rock from the Sun.
Her credits include the television show The Fresh Prince of Bel-Air in a recurring role as Tonya Smith, the feature films Vampire in Brooklyn (directed by Wes Craven), A Thin Line Between Love and Hate, and Plump Fiction.
On stage, Khali appeared in Colored Museum, For Colored Girls..., A Midsummer Night's Dream, and Troilus and Cressida.
She also voiced the character of Varesh Ossa in the video game Guild Wars Nightfall.