Guest Stars Eric Szmanda as Gregory "Greg" Sanders Robert David Hall as Dr. Albert "Al" Robbins Skip O'Brien as Det. Ray O'Riley Glenn Morshower as Sheriff Brian Mobley Gregg Henry as Special Agent Rick Culpepper Michael Cerveris as Syd Booth Goggle Todd McKee as Brad Walden Maureen Muldoon as Lynda Darby Randall Slavin as Hunter F. Baumgartner Co Starring Rainn Wilson as Guy in Supermarket