Guest Stars Eric Szmanda as Gregory "Greg" Sanders Robert David Hall as Dr. Albert "Al" Robbins David Berman as Dr. David Phillips Skip O'Brien as Det. Ray O'Riley Eric Stonestreet as Ronnie Litre Brad Johnson as Paul Newsome Jonathan Fraser as Kevin Shepherd Reynaldo Rosales as Justin Greene Shelli Bergh as Jessica Hall Elizabeth Keener as Amy Shepherd Co Starring Louis Mustillo as Knife Expert Charley Rossman as Uniform Officer