Mistakes
Before JM goes through his own portal, he puts on his baseball cap with the strap in the back open. Next he is seen crawling and the strap is closed. See more...
Movie Mistakes blog
Popular blog posts:
Top 15 biggest Harry Potter film mistakes
15 biggest mistakes in Titanic
The 10 biggest mistakes in Iron Man 1 & 2
Other great sites
Being John Malkovich (1999)
Directed by Spike Jonze, starring Cameron Diaz, Catherine Keener, John Cusack, John Malkovich (add more)