Omar Benson Miller is an American actor. He is known for his work as Walter Simmons on CSI: Miami (2009β12), as Charles Greane on Ballers (2015β19), as the voice of Raphael on Rise of the Teenage Mutant Ninja Turtles (2018β20) and its 2022 film, the CBS comedy series The Unicorn (2019β21), and Cornbread in Sinners (2025).