Your Sister's Sister Overview
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.
Rating
R — Some Sexual Content, Language
Your Sister's Sister cast and crew
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Mike Birbiglia‘Al’ -
Lynn SheltonDirector -
Mark Duplass‘Jack’ -
Rosemarie DeWitt‘Hannah’ -
Emily Blunt‘Iris’
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