Sibling Rivalry (2026)
Overview
When identical twin sisters Diana and Marilyn swap places as a harmless Christmas prank, Diana's husband acts on a secret murder plot and kills the wrong sister. As he mistakes his wife for his victim, she must play along to survive long enough to escape.
What is Sibling Rivalry about?
When identical twin sisters Diana and Marilyn swap places as a harmless Christmas prank, Diana's husband acts on a secret murder plot and kills the wrong sister. As he mistakes his wife for his victim, she must play along to survive long enough to escape. Sibling Rivalry is a Horror, Thriller movie, released on 2026-09-25, runtime 10 minutes.
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Directed by
Jake Welge
Cast
- Emma Pickett as Diana
- Emma Pickett as Marilyn
- Benjamin May as Elvis
- Rebecca Whelan as Marilyn Double
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Sources
Details from Sibling Rivalry on TMDB, also on IMDb. Back to Movie World.