Movie
Your Sister's Sister
85%Criticscertified143 reviews66%Audience656 reviews
7.05.2Kaverage critics score, out of 1020121h 30mR
A man (Mark Duplass) falls into bed with his best friend's (Emily Blunt) sister (Rosemarie DeWitt), leading to an unexpected love triangle when his friend arrives the next day.
- Directed by:
- Lynn Shelton
Cast
Emily Blunt
Rosemarie DeWitt
Mark Duplass
Mike Birbiglia
Jason Dodson
Where to watch
StreamAMC+
Details
- Runtime
- 1h 30m
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Details gathered from external sources on August 21, 2026. Scores and 5,186 votes come from them.