Dorsey played small parts in a number of films early in his career, including
Juwanna Mann,
Starsky & Hutch, and
The Blind Side. In 2012, he co-starred in
Django Unchained. On television, he guest-starred on
ER,
The Shield,
The Mentalist,
Castle,
Rizzoli & Isles, and
NCIS. He had recurring roles in the
Showtime drama
Ray Donovan as Cookie Brown, the Fox comedy-drama
Rake, and the HBO comedy
Eastbound & Down. In 2014, Dorsey played
Civil Rights Movement activist
James Orange in the historical drama film
Selma directed by
Ava DuVernay. In 2016, DuVernay cast Dorsey in her drama series
Queen Sugar for
Oprah Winfrey Network. Dorsey appears as Sheriff Barker in the horror films
Halloween,
Halloween Kills, and
Halloween Ends. ==Personal life==