Chad L. Coleman (born September 6, 1974) is an American actor. He grew up in foster care and became known by portraying Dennis "Cutty" Wise on the HBO crime drama series The Wire (2004–2008), voicing Coach in the video game Left 4 Dead 2, and portraying Tyreese Williams on the AMC post-apocalyptic horror series The Walking Dead (2012–2015). He currently stars in the science fiction series The Expanse as Fred Johnson, a.k.a. "the Butcher of Anderson Station", and starred in the History Channel's 2016 re-imagining of the miniseries Roots. He currently plays a recurring role as the alien Klyden, on the Fox series The Orville.