William Jacob Busey (born June 15, 1971) is an American actor. Among his most prominent roles have been serial killer Johnny Bartlett in 1996's The Frighteners, Ace Levy in 1997's Starship Troopers, Kyle Brenner in 2001's Tomcats, Aiden Tanner in the 2014–2016 TV series From Dusk till Dawn: The Series, and Sean H. Keyes in the Predator franchise.