Claes Bang was born on April 28, 1967 in Denmark as Claes Kasper Bang. He is an actor, known for The Square (2017), The Girl in the Spider's Web (2018) and Bron/Broen (2011). He is married to Lis Kasper Bang. He graduated from the Danish National School of Performing Arts in 1996.

His name is pronounced "Class Bun-g". Apart from his native Danish, he's fluent in Swedish, Norwegian, English and German.