Loretta Young

Sister Margaret

Celeste Holm

Sister Scholastica

Hugh Marlowe

Robert Masen

Elsa Lanchester

Amelia Potts

Thomas Gomez

Luigi Rossi

Dorothy Patrick

Kitty

Basil Ruysdael

The Bishop

Dooley Wilson

Anthony James

Regis Toomey

Monsignor Talbot

Mike Mazurki

Sam

Walter Baldwin

Claude Jarman (uncredited)

Pati Behrs

Nun (uncredited)

John Bleifer

Rosey (uncredited)

Nan Boardman

Nun (uncredited)

Wally Brown

Howard Sheldon (uncredited)

Henry Koster