Biography: Kenneth Allen Johnson is an American actor, producer, and former model. He's well known for his portrayal of Detective Curtis Lemansky on the American drama The Shield, Butch "Burner" Barnes in Pensacola: Wings of Gold, Detective "Ham" Dewey on Saving Grace, and Dominique Luca on the CBS series S.W.A.T. He's had a number of recurring roles on TV series including Sons of Anarchy, Prime Suspect (US), Chicago Fire, Bates Motel, and Secrets and Lies.