| Cast list | | Glenda Jackson | as | Sister Alexandra | | Melina Mercouri | as | Sister Gertrude | | Geraldine Page | as | Sister Walburga | | Sandy Dennis | as | Sister Winifred | | Anne Jackson | as | Sister Mildred | | Anne Meara | as | Sister Geraldine | | Susan Penhaligon | as | Sister Felicity | | Edith Evans | as | Sister Hildegard | | Jerry Stiller | as | P.R. Priest | | Rip Torn | as | Father Maximilian | | Eli Wallach | as | Monsignor | | Suzanne Stone | as | Bathildis | | Peter Bromilow | as | Baudouin | | Shane Rimmer | as | Officer | | Harry Ditson | as | Ambrose |
| | Crew list: | | Michael Lindsay-Hogg (Director) | | Robert Enders (Writer) | | Muriel Spark (Writer) |
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