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!.

Filmography

• 2026Westhampton — Film Chair
• 2025Another Day in America — Greg Strout
• 2025King Ivory — Mickey Greene
• Watson — Shinwell Johnson
• Florida Man — Dutch
• 2023Rumble Through the Dark — Baron
• 2022After Yang — Russ
• Tulsa King — Caolan Waltrip
• The Flight Attendant — Victor
• 2019The Bygone — Beckett Summer
• 2018Submission — Dean Bentham
• HAPPY! — Francisco "Mr Blue" Scaramucci, Francisco Scaramucci / Orcus
• Billions — Donald Thayer
• 2016The Great & The Small — Richie
• 2015Blackhat — Elias Kassar
• 2015Creed — Pete Sporino
• 2014By the Gun — Tony Matazano
• True Detective — Mayor Austin Chessani
• The Blacklist — Anslo Garrick
• Luck — Renzo
• Person of Interest — Assassin
• 2010Let Me In — Mr. Zoric
• 2010Pete Smalls Is Dead — Hal Lazar
• 2010The Bounty Hunter — Ray
• The Walking Dead — Pope
• 2009Virtuality — Dr. Jimmy Johnson
• Virtuality
• John Adams — Captain Preston
• 2008The Dark Knight — Chechen
• 2007American Gangster — Joey Sadano
• Kidnapped
• 2006The Sentinel — The Handler
• Beautiful People
• Jonny Zero — Garret
• Law & Order: Trial by Jury — Shane Lucas
• Traffic — Fazal
• Hack — Nick Trepov
• 2002Pipe Dream — Pascal
• 2002The Tuxedo — Dietrich Banning
• 200115 Minutes — News Stand Vendor
• Law & Order: Criminal Intent — Simon Matic, Jack Taylor
• 2000Bait — Buyer
• CSI: Crime Scene Investigation — Arthur Blisterman
• 2000The Photographer — Attacker #1
• Law & Order: Special Victims Unit — Carlo Parisi
• 1999The Thomas Crown Affair — Janos
• Third Watch — Rudy
• 1998Rear Window — Julian Thorpe
• Sex and the City — Caleb MacDougal
• FX: The Series — Jimmy Hickman
• Law & Order — Jorgan Stern, Mark Bruner

Appearances as themselves (1)

• 2025King Hamlet — Self