Scott Speedman has made the move from Grey's Anatomy to a more permanent appearance on RJ Decker - but who does the actor and the rest of the cast play? Based on Carl Hiaasen's novel Double Whammy, RJ Decker focuses on a disgraced newspaper photographer and ex-con who "starts over as a private investigator in the colorful-if-crime-filled world of South Florida, tackling cases that range from slightly odd to outright bizarre, with the help of his journalist ex, her police detective wife and a shadowy new benefactor - a woman from his past who could be his greatest ally ...