Sidney Poitier

Homer Smith

Lilia Skala

Mother Maria

Lisa Mann

Sister Gertrude

Isa Crino

Sister Agnes

Francesca Jarvis

Sister Albertine

Pamela Branch

Sister Elizabeth

Stanley Adams

Juan Acolito

Dan Frazer

Father Murphy

Bobby Driscoll

Mexican Holding Chapel Door (uncredited)

Ralph Nelson

Mr. Ashton (uncredited)