Denis O'Hare
Denis O'Hare (born January 17, 1962) 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 series True Blood and his different roles on American Horror Story, and for his supporting roles in such films as Milk, Changeling, and Dallas Buyers Club.
Known for
Dallas Buyers Club 
The Proposal 
American Horror Story 
Changeling 
Garden State 
The Judge 
Milk 
Swallow 
J. Edgar 
Charlie Wilson's War 
Late Night 
Edge of Darkness 
Awake 
Derailed 
The Eagle 
Private Life 
Duplicity 
Baby Mama 
The Normal Heart 
Sweet and Lowdown 
The Postcard Killings 
Lizzie 
The Nevers 
A Mighty Heart 
The Pyramid 
Army of One 
The Town That Dreaded Sundown 
Rocket Science 
The Babysitters 
Infinite Storm 
The Anniversary Party 
Novitiate 
Danger One 
The Day Shall Come 
C.O.G. 
Allure 
Delete History 
Stephanie Daley 
An Englishman in New York 
Once Upon a Mattress 
The Price of Money: A Largo Winch Adventure 
Pretty Bird 
Bottom of the 9th 
The Grinch Musical! 
From Nowhere