Directed by
| George Schaefer | ||
Writing Credits (in alphabetical order)
| James Costigan | ... | (adaptation) |
| María Lejárraga | ... | (as Gregorio Martínez Sierra) |
| Gregorio Martínez Sierra | ... | (play) |
| María Martínez Sierra | ... | (play) |
| John Garrett Underhill | ... | (translated by) |
Cast (in credits order)
| Judith Anderson | ... | The Prioress | |
| Evelyn Varden | ... | The Vicaress | |
| Siobhan McKenna | ... | Sister Joanna of the Cross | |
| Barry Jones | ... | The Doctor | |
| Anthony Franciosa | ... | Antonio | |
| Deirdre Owens | ... | Teresa | |
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Mildred Trares | ... | Sister Marcella |
| Zohra Lampert | ... | Sister Maria Jesus (as Zohra Alton) | |
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Kate Harrington | ... | Sister Tomera |
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Pamela Simpson | ... | Mistress of Novices |
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Jeanne Tobey | ... | Sister Segrario |
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Katharine Raht | ... | Sister Inez |
| Val Avery | ... | The Driver | |
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Lee Vines | ... | Self - Announcer |
| Maurice Evans | ... | Self - Host | |
| Rest of cast listed alphabetically: | |||
| Charles Bickford | |||
| Helen Hayes | ... | The Vicaress | |
| Geoffrey Horne | ... | Antonio | |
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Sadie McCollum | ... | The Chantress |
| Joanna Roos | ... | Mistress of Novices | |
Produced by
| Mildred Freed Alberg | ... | producer |
| George Schaefer | ... | producer |
Additional Crew
| Maurice Evans | ... | presenter |