| Sister Mary Explains It All | |
|---|---|
 Film poster | |
| Genre | Comedy Drama |
| Written by | Christopher Durang |
| Directed by | Marshall Brickman |
| Starring | Diane Keaton Brian Benben Wallace Langham Laura San Giacomo Jennifer Tilly |
| Country of origin | United States |
| Original language | English |
| Production | |
| Producer | Ronald M. Bozman |
| Cinematography | Anthony B. Richmond |
| Editor | Kristina Boden |
| Running time | 76 minutes |
| Production companies | Tennant/Stambler Productions Columbia TriStar Television |
| Original release | |
| Network | Showtime |
| Release | May 27, 2001 |
| Infobox instructions (only shown in preview) | |
Sister Mary Explains It All is a 2001 satirical dark comedy film written by Christopher Durang and directed by Marshall Brickman. The film, based upon Durang's 1979 play Sister Mary Ignatius Explains It All for You, and starring Diane Keaton in the title role, premiered on the Showtime network.