Stephanie Szostak is currently in negotiations to star in R.I.P.D. The Hollywood Reporter notes that she is being considered for the lead role of Ryan Reynold's wife in the film:

"Szostak will play Reynolds’ wife who can sense that he is still around and to whom he is trying to communicate with in regards to his murder."

As we had previously reported, Kevin Bacon is also in negotiations for a role as the film's villain. The confirmed cast members include Ryan Reynolds and Jeff Bridges. Set for release on June 28th, 2013, R.I.P.D. will be directed by Peter Schwentke (Red) and tells the story of a "a murdered cop (Reynolds) who is recruited to work in the Rest in Peace Department, a police force comprised of ghosts who battle spirits unready to depart this world.? … Bridges will play Reynolds’ partner, a wise-cracking officer who’s been hunting spirits since the 1800s.”

Source: THR