

2026 · 1h 51m · Movie
See how far it goes.
A strange doorway appears in the basement of a furniture showroom.
Streaming on HBO Max +1
In theaters: May 29, 2026
Digital release: July 14, 2026
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Chiwetel Ejiofor
Clark

Renate Reinsve
Mary

Finn Bennett
Bobby

Lukita Maxwell
Kat

Mark Duplass
Phil

Avan Jogia
Naren Warne

Robert Bobroczkyi
Pirate Clark

Ember Ambrose
Young Mary

Krista Kosonen
Nora

Philip Granger
Meterman

Katharine Isabelle
Robin

Peter New
Big Wayne
Where was Backrooms filmed?
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