Special Guest Stars Louise Lasser as Sister Margaret Guest Stars Bill Morey as The Priest Fran Ryan as Mother Superior Co Starring Mary O'Connor as Singing Nun #3 Dawn Jeffory as Sign Language Nun Carol Williard as Sister Teresa Cristy Dawson as Foot Nun Rosemary O'Brien as Singing Nun #1 Christopher Callan as Singing Nun #2 Credit Only Eddie Mekka as Carmine "The Big Ragoo" Ragusa Phil Foster as Frank DeFazio Leslie Easterbrook as Rhonda Lee