Masohn cast in ABC's '666'

Series regular Mercedes Masohn of ''The Finder'' has been cast in ABC drama pilot ''666 Park Avenue.'' The part, which comes in second position to Fox's ''Finder,'' sets up Masohn to play a stylish photographer in a historic apartment building with evil supernatural underpinnings. Terry O'Quinn, Dave Annable and Rachael Taylor have previously joined the ensemble. Series creator David Wilcox is exec producing with Gina Girolamo and Leslie Morgenstein. Masohn is repped by Greene and Associates Talent Agency and Luber/Roklin. Contact Jon Weisman at jon.weisman@variety.com