candidate: After " Gothika " , Downey was cast in a number of leading and supporting roles , including well - received work in a number of semi-independent films : " A Guide to Recognizing Your Saints " , " Good Night , and Good Luck " , " A Scanner Darkly " , and Steven Shainberg 's fictional biographical film of Diane Arbus , " Fur " , where Downey 's character represented the two biggest influences on Arbus ' professional life , Lisette Model and Marvin Israel .