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Two sisters who couldn't be more different are unaware of their father's double life with two families and the existence of the other until his sudden death. While stuffy Sandra has no need for such a relationship, chaotic Sandy never leaves her new-found sister's side.
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Availability by JustWatch · All options on TMDB
Klara LangeSandra Giesinger
Cosima HenmanSandy Koslowski
Andrea SawatzkiMonika Giesinger
Anita VulesicaGabi Koslowski
Yannik HeckmannJustus Maiwald
Lea FleckJule
Stella GoritzkiAnna
Danai ChatzipetrouMelek
René HeinersdorffHeiner Binder
Stefanie WinnerIsabell Igel
Gabriele SchulzeTrude Maiwald
Jasin ChallahMarlon Hase
Stefanie PhilippsTheresa Brandt
Juliane PempelfortMrs. Bronkmöller











| Platform | Score | Points |
|---|---|---|
| IMDb29 votes | 5.3 | 5 pts |
| Rotten Tomatoes | not available | skipped |
| Metacritic | not available | skipped |
| Letterboxd | not available | skipped |
Scores from IMDb. Updated weekly.
29 votes across 1 platformPlötzlich Schwester (2026) has a Lantern Score of 5.3, from IMDb 5.3.