Omar Benson Miller (born 7 October, 1978)[1] is an American actor.

[2] He is known for his work as Walter Simmons on CSI: Miami (2009–2012), as Charles Greane on Ballers (2015–2019), as the voice of Raphael on Rise of the Teenage Mutant Ninja Turtles (2018–2020) and its 2022 film, and on the CBS comedy series The Unicorn (2019–2021).

Miller was born in Anaheim, California, and graduated from San Jose State University.

He also has played minor roles in various television shows and movies, including Sex, Love & Secrets, American Pie Presents: Band Camp, Get Rich Or Die Tryin', 8 Mile, The Express: The Ernie Davis Story, Transformers, and Shall We Dance Obstacles 2000.

Starting on October 5, 2009, he appeared on the crime drama as Walter Simmons, a Louisiana native and art theft specialist.