Sibling Rivalry

WHICH TWIN WOULD YOU DIE FOR?

0/10 2026 4K 10 min

Horror • Thriller

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.

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Top Cast

Emma Pickett

Diana

Emma Pickett

Marilyn

Benjamin May

Elvis

Rebecca Whelan

Marilyn Double

Sibling Rivalry

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