Mariana Klaveno is an American actress best known for her role as Lorena Ball (Krasiki) in HBO's True Blood. She became a credited regular in season 2 and 3, playing the part of the "maker" of the main character Bill Compton. She also starred in the feature film While the Children Sleep (released as The Sitter on DVD) in the role of Abby Read.[1][2] She's guest starred in TV show episodes of Standoff, ER, and others.