Denis O'Hare is an American stage and screen actor, best known for his roles in the plays "Take Me Out" and "Sweet Charity", for his portrayal of vampire Russell Edgington on the television show "True Blood" and his different roles in "American Horror Story", and for his supporting roles in such films as "Milk", "Changeling", and "Dallas Buyers Club".

• The Proposal (2009)

  
• Dallas Buyers Club (2013)

  
• American Horror Story (2011)

  
• Michael Clayton (2007)

  
• Edge of Darkness (2010)