Which profession does Billy Bob Thornton's role have in the 2001 film "The Man Who Wasn't There"?

Explanation

Billy Bob Thornton is an American actor and director. He was born in Arkansas in 1955. He started out as a musician, playing drums in a band. Then he moved to Hollywood and started acting. His appearance in the 1992 film "One False Move" started opening doors for him. Thornton was cast for "Tombstone" and played the NASA Chief in "Armageddon" from 1998. The Coen Brothers hired him for "The Man Who Wasn't There" where he plays a passive barber. "Bandits" from 2001 in which he stars opposite Bruce Willis is another highlight. Thornton has a weird phobia for antique furniture.