Claes Kasper Bang is a Danish actor and musician. He is best known for playing the leading role of Christian in Ruben Östlund's 2017 film The Square. For that role he won the European Film Award for Best Actor, being the first Dane to do so. He played the role of Sasha Mann in the final series of The Affair.
He graduated from the Danish National School of Theatre in 1996 and has worked mainly on stage and in television in Denmark.
Since 2002 he has performed a monologue based on Jan Guillou's novel Evil more than 300 times, including an English-language version at St. James Theatre in London in 2015.
He played the leading role of the art museum curator Christian in Ruben Östlund's 2017 film The Square, which won the Palme d'Or at the 2017 Cannes Film Festival. He also won the European Film Award for Best Actor, being the first Dane to do so. As a side project, he makes music under the moniker This Is Not America.
In November 2018, Bang was cast to play Count Dracula in the BBC mini