Guest Stars Eric Szmanda as Gregory "Greg" Sanders Robert David Hall as Dr. Albert "Al" Robbins David Berman as Dr. David Phillips Todd E. Slayton as Paramedic Cara Buono as Tracy Logan Joseph D. Reitman as Sean Nolan Denis Arndt as Larry Maddox Kate Orsini as Mini-Mart Clerk Monica Garcia as Mrs. Parker Lauren Hodges as Young Femal Passenger Billy Mayo as Fire Chief James Walker Kris Iyer as ER Surgeon Mark Lentry as Calvin McBride Christopher Caso as Ryan Hyde Eric Matheny as Dr. Hawkins Julie Mintz as Sabrina Wright Mona Wyatt as Gwen Murray Jerry Hauck as Mr. Parker Revital Krawetz as Diane Cooper Scott Plank as Eric Kevlin Stuart Gold as John Cooper Jim Hanna as Jack Stephon Fuller as Gas Station Attendant
