Mary and her friend, Rachel, are new students at St. Francis Academy, a boarding school run by the iron fist of Mother Superior. The immature teens grow bored and begin playing pranks on both the unsuspecting nuns and their unpleasant classmates, becoming a constant thorn in Mother Superior's side. However, as the years pass, Mary and Rachel slowly mature and begin to see the nuns in a different light.
Hayley Mills
as Mary Clancy
June Harding
as Rachel Devery
Rosalind Russell
as Mother Superior
Binnie Barnes
as Sister Celestine
Camilla Sparv
as Sister Constance
Mary Wickes
as Sister Clarissa
Marge Redmond
as Sister Liguori
Dolores Sutton
as Sister Rose Marie
Margalo Gillmore
as Sister Barbara
Portia Nelson
as Sister Elizabeth
Wuchak
_**A couple of troublemaking girls at a Catholic school/nunnery**_ Mary (Hayley Mills) is sent to a Catholic school in Pennsylvania where she constantly causes problems along with her “follower” Rachel (June Harding). Can Mother Superior (Rosalind Russell) & the other nuns tame these troublemaker...