Dominic Cooper (born 2 June 1978) is an English actor known for his portrayal of comic book characters Jesse Custer on the AMC show Preacher (2016–2019) and young Howard Stark in the Marvel Cinematic Universe, with appearances in Captain America: The First Avenger (2011) and the ABC series Agent Carter (2015–2016), among other Marvel productions. Cooper played Sky in Mamma Mia! (2008) and its sequel, Mamma Mia! Here We Go Again (2018).

Early in his career, Cooper was cast in significant roles in productions by the Royal National Theatre and Royal Shakespeare Company; he received acclaim for originating the role of Dakin in the 2004 play The History Boys, with which, in 2006, he returned to the West End, transferred to Broadway, and adapted to film. Since that time, he has acted in a series of British and American productions, including the acclaimed period pieces An Education (2009) and My Week with Marilyn (2011), as well as action films, such as Abraham Lincoln: Vampire Hunter (2012) and Need for Speed (2014).