John Hawkes (born John Marvin Perkins; September 11, 1959) is an American film and television actor. He is known for his portrayal of the merchant Sol Star on the HBO series Deadwood, Dustin Powers on Eastbound & Down, Academy Award-nominated performance as the menacing backwoods meth addict "Teardrop" Dolly in Winter's Bone and his Golden Globe and Screen Actors Guild Award nominated portrayal of Mark O'Brien in The Sessions.