The Other Sister is a 1999 American romantic comedy film directed by Garry Marshall and stars Juliette Lewis, Giovanni Ribisi, Diane Keaton, and Tom Skerritt.
- Juliette Lewis as Carla Tate
- Diane Keaton as Elizabeth Tate
- Tom Skerritt as Dr. Radley Tate
- Giovanni Ribisi as Daniel "Danny" McMann
- Poppy Montgomery as Caroline Tate
- Sarah Paulson as Heather Tate
- Linda Thorson as Drew Evanson
- Joe Flanigan as Jeff Reed
- Juliet Mills as Winnie the Housekeeper
- Tracy Reiner as Michelle
- Hector Elizondo as Ernie
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