Hayley Mills, Maureen O'Hara, Brian Keith, Charles Ruggles, Una Merkel, Leo G. Carroll, Joanna Barnes, Cathleen Nesbitt, Ruth McDevitt, Crahan Denton
United States of America
Hayley Mills plays twins who, unknown to their divorced parents, meet at a summer camp. Products of single parent households, they switch places (surprise!) so as to meet the parent they never knew, and then contrive to reunite them.