When lively lounge singer Deloris sees her mobster beau commit murder, she is relocated for her protection. Set up in the guise of a nun in a California convent, she proceeds to upend the quiet lives of the resident sisters.

Whoopi Goldbergas Deloris Van Cartier / Sister Mary Clarence
Maggie Smithas Mother Superior
Kathy Najimyas Sister Mary Patrick
Wendy Makkenaas Sister Mary Robert
Mary Wickesas Sister Mary Lazarus
Harvey Keitelas Vince LaRocca
Bill Nunnas Lt. Eddie Souther
Robert Mirandaas Joey
Richard Portnowas Willy
Ellen Albertini Dowas Choir Nun
Adam Greenberg