William Jackson Harper (born William Fitzgerald Harper; February 8, 1980), is an American actor. He portrayed Chidi Anagonye on the NBC comedy The Good Place (2016–2020).
After developing his powers at 17 years old, Mark discovers the harsh realities of being a superhero while struggling to define himself along with a berserker-esque rage that manifests as a result of his Viltrumite heritage.