Chris Lowell (born October 17, 1984) is an American film and television actor, best known for playing Stosh 'Piz' Piznarski in the CW noir drama Veronica Mars and William 'Dell' Parker in the ABC Grey's Anatomy spin-off, Private Practice.
Caleb, a ruthless gunslinger from the American Old West and high-ranking member of The Cabal is betrayed and killed by his master the demon god Tchernobog for unspecified failures. Years later he rises from his grave, seeking answers and vengeance.
