Ritchie Coster (born 1 July 1967) is an English actor. He is best known for playing the roles of Dietrich Banning in The Tuxedo (2002), the Chechen in The Dark Knight (2008), Elias Kassar in Blackhat (2015), Mayor Austin Chessani on the second season of the HBO anthology television series True Detective and Francisco Scaramucci / Mr. Blue on the SyFy television series Happy!.

Ritchie Coster

Acting Born July 1, 1967 London, England, UK

Ritchie Coster (born 1 July 1967) is an English actor. He is best known for playing the roles of Dietrich Banning in The Tuxedo (2002), the Chechen in The Dark Knight (2008), Elias Kassar in Blackhat (2015), Mayor Austin Chessani on the second season of the HBO anthology television series True Detective and Francisco Scaramucci / Mr. Blue on the SyFy television series Happy!.

Known For

Law & Order: Special Victims Unit

Carlo Parisi

Law & Order

Jorgan Stern

Law & Order

Mark Bruner

CSI: Crime Scene Investigation

Arthur Blisterman

The Blacklist

Anslo Garrick

The Walking Dead

Pope

Law & Order: Criminal Intent

Simon Matic

Law & Order: Criminal Intent

Jack Taylor

Person of Interest

Assassin

Tulsa King

Caolan Waltrip

Third Watch

Rudy

Billions

Donald Thayer