John Hawkes (born John Marvin Perkins; September 11, 1959) is an American actor and musician. His best known movie appearances are the Academy Award nominated role as Teardrop in "Winter's Bone" and his Golden Globe and Screen Actors Guild Award nominated role as Mark O'Brien in "The Sessions". On television, he is known for his role as Sol Star on the HBO television shows "Deadwood" and as Dustin Powers on "Eastbound & Down".