Hayley Mills

Mary Clancy

June Harding

Rachel Devery

Rosalind Russell

Mother Superior

Binnie Barnes

Sister Celestine

Camilla Sparv

Sister Constance

Mary Wickes

Sister Clarissa

Marge Redmond

Sister Liguori

Dolores Sutton

Sister Rose Marie

Margalo Gillmore

Sister Barbara

Portia Nelson

Sister Elizabeth

Marjorie Eaton

Sister Ursula

Judith Lowry

Sister Prudence

Jewel Jaffe

Ginnie-Lou

Ronne Troup

Helen

Gypsy Rose Lee

Mrs. Mabel Dowling Phipps

Jim Boles

Mr. Gottschalk

Kent Smith

Uncle George Clancy

Harry Harvey

Mr. Grisson

Mary Young

Mrs. Eldridge

Jim Hutton

Mr. Petrie (uncredited)

Mews Small

Nun (uncredited)

Madge Blake

Meddling Train Passenger

Jesslyn Fax

Retirement Home Resident

Mews Small