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Iron Lung

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  • Trailer 1

Movie Info & Cast

Synopsis

The stars are gone. The planets have disappeared. Only individuals aboard space stations or starships were left to give the end a name - The Quiet Rapture. After decades of decay and crumbling infrastructure, the Consolidation of Iron has made a discovery on a barren moon designated AT-5. An ocean of blood.

Cast

  • Troy Baker
  • Mark Fischbach
  • Elsie Lovelock
  • Seán McLoughlin
  • Caroline Kaplan
  • Elle LaMont
  • Dave Pettitt
  • Isaac McKee
  • Asher Wagh
  • Kazuki Jalal
Moviegoers are saying
Markiplier's directorial debut 'Iron Lung' delivers a claustrophobic masterpiece that proves independent cinema can rival Hollywood productions. This slow-burn psychological thriller traps audiences in a single submarine setting for two hours, creating an unexpectedly gripping experience that has viewers calling it 'absolute cinema' and demanding physical DVD releases.
Top Mentions
Heart-Pounding
Nightmare-Fuel
Indie-Masterpiece
Claustrophobic-Terror
Visual-Stunner
Mind-Bender
Summary generated from the text of Atom User reviews

Letterboxd User Reviews

3.2
282.2K
48.0K
113.3K
RATINGS 3.6K FANS
3.2

Queue Community Reviews

84%
Community 2,086
❤️ LOVE
40%
👍 LIKE
44%
😐 MEH
11%
👎 DISLIKE
5%
Top Reviews

Atom Users Reviews

4.4
139
41
17
4
7
POPULAR TAGS

Reviews

Metacritic

40
Feb 4, 2026

Despite Fischbach’s arguably admirable intent and exertion, this low-budget sci-fi horror makes Event Horizon look like 2001: A Space Odyssey.

Metacritic review by Dan Jolin
Dan Jolin
Empire
40
Feb 2, 2026

Many of us have long sensed culture is making a decisive break with the analogue in favour of the (perhaps terminally) online and Fischbach’s film makes that paradigm shift not just visible but visceral; it feels not unlike spending 12 hours on Twitch with all the curtains closed.

Metacritic review by Mike McCahill
Mike McCahill
The Guardian
58
Jan 29, 2026

Iron Lung is audacious and at times astonishingly boring. Still, it feels more enthusiastic and celebratory than many blockbuster adaptations built on safer math.

Alison Foreman
IndieWire