Sophina Brown (born September 18, 1976, in Saginaw, Michigan) is an American actress known for her work in television and theater. She holds a BFA in Theatre Performance from the University of Michigan. Her most prominent TV roles include prosecutor Raina Troy on the CBS legal drama Shark (2006–2008) and FBI agent Nikki Betancourt on Numb3rs (2008–2010). Other notable credits include Twenties (BET, 2020–2021), Kindred (FX, 2022), Bosch: Legacy (2022–2025), and Netflix's Nemesis (2026). On stage, she performed in the Broadway production of The Lion King and the national tour of Fame — the Musical. She is the founder and executive director of Support Black Theatre, a nonprofit dedicated to developing and promoting Black theater in Los Angeles. Brown married actor Henry Simmons (her co-star on Shark) in May 2010.