Movie guide
Your Sister's Sister (2011): movie guide
Your Sister's Sister (2011) is a Comedy running about 90 minutes. It holds a TMDB score of 6.5/10 from 382 votes. Notable cast includes Emily Blunt, Rosemarie DeWitt, Mark Duplass, Michael Harring. Cinema Box covers trailers, cast, and details for discovery — not full streaming.
- Released: 2011-09-11
- Runtime: 90 min
- TMDB: 6.5/10
- Genres: Comedy
Last updated: 2026-11-11 · First listed: 2011-09-11
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What is Your Sister's Sister about?
Iris invites her friend Jack to stay at her family's island getaway after the death of his brother. At their remote cabin, Jack's drunken encounter with Hannah, Iris' sister, kicks off a revealing stretch of days.
Cast highlights
Your Sister's Sister features Emily Blunt, Rosemarie DeWitt, Mark Duplass, Michael Harring, Mike Birbiglia, Jason Dodson. Open the Cinema Box title page for the full cast list and character credits.
Key facts
Release date: 2011-09-11. Runtime: 90 minutes. TMDB score: 6.5/10 (382 votes). Genres: Comedy. Original language: en. Status: Released.
Discover Your Sister's Sister on Cinema Box
Cinema Box is a movie and TV discovery app for Android. Use it to browse Your Sister's Sister, watch official trailers when available, save titles to your list, and plan what to watch — without hosting or streaming full films.
Frequently asked questions
- What genre is Your Sister's Sister?
- Your Sister's Sister is listed as Comedy on TMDB.
- How long is Your Sister's Sister?
- Your Sister's Sister runs about 90 minutes.
- Who stars in Your Sister's Sister?
- Cast highlights include Emily Blunt, Rosemarie DeWitt, Mark Duplass, Michael Harring, Mike Birbiglia, Jason Dodson.
- Does Cinema Box stream Your Sister's Sister?
- No. Cinema Box is discovery-only — trailers, details, ratings, and watchlists. It does not host or stream full movies.
- Where can I track Your Sister's Sister?
- Open the Your Sister's Sister page on cinemabox.app or install the official Cinema Box Android app from Google Play for watchlists and discovery tools.
