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.
Plot Keywords: chase, false identity, dystopia, overpopulation, investigation, betrayal, conspiracy, execution, alternate reality, population control, secrecy, septuplets
Director | Tommy Wirkola |
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Writers | Max Botkin, Kerry Williamson |
Production Companies | Nexus Factory, Vendome Pictures, Raffaella Productions, SND, Title Media, Umedia, uFund |
Production Countries | Belgium, France, United Kingdom |
Spoken Languages | English |
Top Billed Cast of What Happened to Monday

Noomi Rapace
The Settman Siblings / Karen Settman
Marwan Kenzari
Adrian Knowles
Christian Rubeck
Joe
Willem Dafoe
Terrence Settman
Glenn Close
Nicolette Cayman
Clara Read
Young Karen Settman
Pål Sverre Hagen
Jerry
Tomiwa Edun
Eddie
Cassie Clare
Zaquia
Kirsty Averton
Mia
Robert Wagner
Charles BenningAlternate Titles
七女
星期一发生了什么
星期一怎么了
Seven Sisters
7 Sisters
Sept soeurs
Sept sœurs
월요일이 사라졌다
Was geschah am Montag?
Qué le pasó a lunes?
What Happened to Monday