Two identical twin sisters, separated at birth by their parents' divorce, are reunited years later at a summer camp, where they scheme to bring their parents back together. The girls, one of whom has been living with their mother and … Hayley Mills, Maureen O'Hara, Brian Keith, Charles Ruggles, Cathleen Nesbitt, Una Merkel, Joanna Barnes Added on Disney 2020-12-13. Youtube Trailer