Chad Coleman is an American actor. His Hollywood career started in the early 1990s. During his early years, he guest-starred on the shows Law & Order, New York Undercover, and Third Watch. In the 2000s, he became known for his role as Dennis “Cutty” Wise in The Wire. In the 2010s, he played Z in It’s Always Sunny In Philadelphia. He gained further recognition for his role as Tyreese Williams in The Walking Dead. After his character on the show was killed off, he starred in the television series The Expanse as Col. Frederick Lucius Johnson. He’s also currently on the show The Orville.