Movies like I, Madman

The Ninth Gate stars Johnny Depp as a rare book dealer who is searching for a book that can summon the devil. Like I, Madman, The Ninth Gate will appeal to viewers who are fascinated by the dangerous power of reading and the dark secrets hidden in books.

In the Mouth of Madness blends the lines between fiction and reality as an insurance investigator looks for a missing horror writer. Fans of I, Madman will appreciate the metafictional horror and the blurred boundaries between books and the real world.

Nightbreed is a dark fantasy horror film that explores themes of monstrosity and the underworld. Fans of I, Madman's monstrous imaginings and the intersection of reality and nightmare will find much to enjoy in this Clive Barker adaptation.

Based on Clive Barker's work, Lord of Illusions explores the world of magic with a noir twist. Fans of I, Madman's book-driven narrative and horrific illusions will find similar tones of hidden worlds and dark magic in this movie.