As of June 2026, 400 Days is a Mystery film from 2015 rated 4.4/10 — streaming now on Amazon Prime Video. Find out where to watch it below.
400 Days poster

400 Days

2015 1h 31m Mystery ⭐ 4.4 / 10

4 would be astronauts spend 400 days in a land locked space simulator to test the psychological effects of deep space travel but, when something goes terribly wrong and they are forced to leave the simulation, they discover that everything on earth has changed. Is this real or is the simulation on a higher level than they could have ever imagined?

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🎬 Where to Watch 400 Days

Canada

Amazon Prime VideoAmazon Prime Video
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🎭 Cast of 400 Days

Brandon RouthBrandon RouthTheoCaity LotzCaity LotzEmilyDane CookDane CookDvorakBen FeldmanBen FeldmanBugTom CavanaghTom CavanaghZellGrant BowlerGrant BowlerWalterSally PressmanSally PressmanDarlaMark StegerMark StegerCreatureFernanda RomeroFernanda RomeroZiaDominic BogartDominic BogartSketchFrank AshmoreFrank AshmoreGarciaOz KalvanOz KalvanSam

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