Sister Mary Explains It All Poster

Sister Mary Explains It All 2001

★ 3.77 votes77 min📅 2001-05-27

"When it comes to sin... she's hell on wheels"

Sister Mary Explains It All (2001) delivers a sharp, holiday-season comedy-drama as Diane Keaton stars as the no-nonsense Sister Mary Ignatius, whose decades of rigid Catholic doctrine have left a lasting mark on her former students.

Director: Marshall Brickman

Cast

Diane Keaton
Diane Keaton
Sister Mary Ignatius
Brian Benben
Brian Benben
Gary Sullivan
Wallace Langham
Wallace Langham
Aloysius Benheim
Laura San Giacomo
Laura San Giacomo
Angela DiMarco
Jennifer Tilly
Jennifer Tilly
Philomena Rostovich
Max Morrow
Max Morrow
Thomas
Martin Mull
Martin Mull
Skeptical Husband
Victoria Tennant
Victoria Tennant
Bitter Divorcee
Aislinn Paul
Aislinn Paul
Angel
Joanne Boland
Joanne Boland
Cynthia Johnson

Frequently Asked Questions

What is Sister Mary Explains It All (2001) about?

This holiday-set comedy-drama follows four former students who confront their strict Catholic school nun, Sister Mary Ignatius, about how her rigid teachings affected them. What starts as a tense reunion spirals into a sharp, darkly funny showdown between faith and personal truth. The film blends sharp humor with emotional depth.

Who directed Sister Mary Explains It All?

Sister Mary Explains It All was directed by Marshall Brickman, best known for his sharp, character-driven comedies and collaborations with Woody Allen.

Who stars in Sister Mary Explains It All?

The cast features Diane Keaton in the titular role, alongside Brian Benben, Wallace Langham, Laura San Giacomo, and Jennifer Tilly.

Is Sister Mary Explains It All (2001) worth watching?

With a runtime under 80 minutes, this underrated TV movie is a hidden gem for fans of witty, character-driven dramas. Diane Keaton's performance is a standout, and the film's holiday setting adds charm, making it a worthwhile watch for a cozy evening in.

How long is Sister Mary Explains It All?

Sister Mary Explains It All runs for 77 minutes.

About Sister Mary Explains It All (2001) — A Holiday Comedy-Drama with Diane Keaton

Sister Mary Explains It All (2001) delivers a sharp, holiday-season comedy-drama as Diane Keaton stars as the no-nonsense Sister Mary Ignatius, whose decades of rigid Catholic doctrine have left a lasting mark on her former students. Directed by Marshall Brickman, this 77-minute TV movie unfolds when four grown alumni reunite at a Christmas gathering only to confront the nun about the emotional scars her strict teachings inflicted. What begins as a tense evening of reckoning quickly spirals into a darkly hilarious battle of wills, as Sister Mary's unshakable faith clashes with the raw truths her students finally voice.

Set against the cozy backdrop of a nostalgic holiday event, the film balances biting social commentary with moments of unexpected warmth, all wrapped in a biting wit that's uniquely Brickman's. With its mix of comedy and drama, Sister Mary Explains It All explores resilience, forgiveness, and the messy legacy of authority figures. Perfect for fans of character-driven comedies and thought-provoking holiday fare, this underrated gem is a standout in Diane Keaton's impressive filmography.