Clarence John Brown III is an American film, television and voice actor. He is known for his roles as The Kurgan in Highlander (1986), Capt. Byron Hadley in The Shawshank Redemption (1994), Sgt. Charles Zim in Starship Troopers (1997), Brother Justin Crowe on the HBO series Carnivàle (2003–2005), Waylon "Jock" Jeffcoat on the Showtime series Billions (2018–2019) and Stanley Thomas in Promising Young Woman (2020). His voice-over work includes Lex Luthor in the DC Animated Universe and various unrelated DC media, Doctor Neo Cortex (as well as Uka-Uka) in the Crash Bandicoot franchise (1997–2003) where he was replaced by Lex Lang starting with Crash Twinsanity in 2004, Mr. Krabs (along with various other characters) on SpongeBob SquarePants (1999–present), Surtur in Thor: Ragnarok (2017) and Hank Anderson in Detroit: Become Human (2018). His additional voice over work includes The New Adventures of Zorro (1997–1998), Minority Report: Everybody Runs (2002), Avatar: The Last Airbender (2006) The Legend of Korra (2012), Sofia the First (2013) and Pickle and Peanut (2015).