The Iron Lung movie was made by Mark Fischbach, better known online as Markiplier, who served as the film’s writer and director in his feature directorial debut.

Quick Scoop: Who Made The Iron Lung Movie?

  • The movie Iron Lung is written and directed by Mark Fischbach (Markiplier), a popular YouTuber turned filmmaker.
  • It is an adaptation of the 2022 indie horror game Iron Lung created by David Szymanski.
  • Fischbach not only directed and wrote the film, he also stars in it as the main character, a convict piloting the submarine.
  • The film is a science fiction horror release that came out theatrically in early 2026 and marks his first feature-length theatrical movie.

A Bit More Context

In interviews and production notes, Mark Fischbach is credited as the driving creative force behind the project, overseeing writing, directing, and acting, making Iron Lung very much a personal passion project. The original game’s creator, David Szymanski, contributed to the script and early production, helping translate the game’s oppressive submarine horror into a full-length film.

In forum and fan discussions, you’ll often see Iron Lung described as “Markiplier’s horror movie,” reflecting how closely the project is associated with his online persona and creative brand.

TL;DR

  • Who made the Iron Lung movie?
    → Mark Fischbach (Markiplier) wrote and directed it, and also stars in it.

Information gathered from public forums or data available on the internet and portrayed here.