Movie guide
What Happened to Monday (2017): movie guide
What Happened to Monday (2017) is a Science Fiction, Thriller, Mystery running about 123 minutes. It holds a TMDB score of 7.1/10 from 6,629 votes. Notable cast includes Noomi Rapace, Glenn Close, Willem Dafoe, Marwan Kenzari. Cinema Box covers trailers, cast, and details for discovery — not full streaming.
- Released: 2017-08-18
- Runtime: 123 min
- TMDB: 7.1/10
- Genres: Science Fiction, Thriller, Mystery
Last updated: 2026-11-11 · First listed: 2017-08-18

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What is What Happened to Monday about?
In a world where families are limited to one child due to overpopulation, a set of identical septuplets must avoid being put to a long sleep by the government and dangerous infighting while investigating the disappearance of one of their own.
Cast highlights
What Happened to Monday features Noomi Rapace, Glenn Close, Willem Dafoe, Marwan Kenzari, Christian Rubeck, Pål Sverre Hagen. Open the Cinema Box title page for the full cast list and character credits.
Key facts
Release date: 2017-08-18. Runtime: 123 minutes. TMDB score: 7.1/10 (6,629 votes). Genres: Science Fiction, Thriller, Mystery, Action. Original language: en. Status: Released.
Discover What Happened to Monday on Cinema Box
Cinema Box is a movie and TV discovery app for Android. Use it to browse What Happened to Monday, watch official trailers when available, save titles to your list, and plan what to watch — without hosting or streaming full films.
Frequently asked questions
- What genre is What Happened to Monday?
- What Happened to Monday is listed as Science Fiction, Thriller, Mystery, Action on TMDB.
- How long is What Happened to Monday?
- What Happened to Monday runs about 123 minutes.
- Who stars in What Happened to Monday?
- Cast highlights include Noomi Rapace, Glenn Close, Willem Dafoe, Marwan Kenzari, Christian Rubeck, Pål Sverre Hagen.
- Does Cinema Box stream What Happened to Monday?
- No. Cinema Box is discovery-only — trailers, details, ratings, and watchlists. It does not host or stream full movies.
- Where can I track What Happened to Monday?








