Guest Stars Eric Szmanda as Gregory "Greg" Sanders Robert David Hall as Dr. Albert "Al" Robbins David Berman as Dr. David Phillips Gerald McCullouch as Bobby Dawson Skip O'Brien as Det. Ray O'Riley Wayne Wilderson as Paramedic Edwin Kelso Sasha Alexander as Robin Childs Jeremy Renner as Roger Jennings Dylan Baker as Father Powell Lindsay Price as Ms. Marita Noel Gugliemi as David Ramirez Ori Pfeffer as Kirk Corbin Allred as Benjamin Corey Jennings Bill Kalmenson as Oliver Dunn Craig Cady as Cell Cop Nicole DeHuff as Tina Kolas Tara D'Agostino as Shelley Danvers