Marcia Harveyscreen performanceMarcia Harvey plays Sierra in My Husband's Sister.
1 linked movie guide in this sequence
FILM POSTER · My Husband's SisterMy Husband's Sister
Sierra
Film guide, starting point, and performer.
Sierra in My Husband's Sister (2026), played by Marcia Harvey.
Film guide · 1 film · 2026 · 1 performerTHE MOVIE
Sierra on screen
One focused screen portrayal, with the performer and movie linked directly below.
Film guide · 1 film · 2026Main sequence runtime: 1h 22m
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- 01Start hereMy Husband's Sister
2026 · 1h 22m
Portrayed by Marcia Harvey · screen performanceMovie guideMoviHero score77/100WORTH IT
THE PERFORMANCE
Who plays Sierra?
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Marcia Harveyscreen performanceFILM AND PERFORMER CREDITS
Sierra screen credits
Screen credits: My Husband's Sister (2026) — Marcia Harvey as Sierra.
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Characters connected on screen
Keep moving through the same films and screen world with a character who shares meaningful movie history.
Bridget
Sierra and Bridget both appear in My Husband's Sister.
See My Husband's SisterEmily
Sierra and Emily both appear in My Husband's Sister.
See My Husband's SisterLiam
Sierra and Liam both appear in My Husband's Sister.
See My Husband's Sister