Special Guest Stars Griffin Dunne as Nick Pearson Jennifer Morrison as Cassidy Sharp Guest Stars Peter Onorati as Stanley Pearson Laura Niemi as Marilyn Pearson Michael Angarano as Nicky Pearson Scott Michael Campbell as Commanding Officer Sheehan Genevieve Angelson as Young Sally Brooks Alvin Cowan as Townie Co Starring Yvonne Valadez as Dr. Belgotto Ruth Williamson as Ellen Kila Packett as Boomer Drew Butler as TSA Agent #2 Philip Behringer as Park Ranger Betsy Moore as TSA Agent #3