Special Guest Stars Griffin Dunne as Nick Pearson Jennifer Morrison as Cassidy Sharp Guest Stars Peter Onorati as Stanley Pearson Michael Angarano as Nicky Pearson Laura Niemi as Marilyn Pearson Genevieve Angelson as Young Sally Brooks Scott Michael Campbell as Commanding Officer Sheehan 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