"This whole thing has been incredible; I loved it," Arquette said upon learning his fate.
"But there must be some mistake; this is my show! I can't be going home! No, I'm just kidding. I came here to get to know more about myself, face my fears, entertain people, give America the chance to get to know me better and learn how to dance."
Still in the running for the coveted mirror ball trophy are TV host and journalist Nancy Grace and Tristan MacManus; reality TV personality Robert Kardashian and Cheryl Burke; actress and talk-show host Ricki Lake and Derek Hough; Iraq war veteran and actor J.R. Martinez and Karina Smirnoff; and World Cup champ Hope Solo and Maksim Chmerkovskiy.