Marsai Martin is an American child actress best known for her starring role as Diane Johnson, twin to Jack who thinks she has all the answers but has yet to develop a filter to put them through, in the television sitcom Black-ish.
Born in Plano, Texas, Marsai began acting before she could talk. Noticing her natural desire for the spotlight, her parents took her to the Kim Dawson Agency in Dallas where they immediately signed her at the age of 5.
She soon landed her first national commercial with the agency, appearing in The Choice Hotel ad "Voice of the People." As a student at Cathryn Sullivan Acting For Film, she attended a seminar that included several LA agents. In this seminar she secured representation with Melissa Berger at CESD.
Marsai relocated to Los Angeles in late 2013 and secured a major national commercial campaign with Meineke. In addition to acting, she loves singing, dancing and playing with her Chelsi and going to the movies.