Joshua Regnall Stewart is an American actor. He had his breakout with a main role as Officer Brendan Finney on the sixth and final season of the NBC crime drama television series Third Watch (2004–2005). Following Third Watch, Stewart had a main role as Holt McLaren on the FX series Dirt (2007–2008) and a recurring role as Detective William LaMontagne Jr. on the CBS and Paramount+ police procedural series Criminal Minds.
