This is Phil Lord and Chris Millers first live action movie.
At one point, Dave Franco's character says that he doesn't trust Channing Tatum's character because he looks like he's 40 years old. In reality, Tatum is only five years older than Franco.
Jonah Hill lost over 40 pounds for his role since he and Channing Tatum are required to do a number of physically demanding stunts.
The understudy for Peter Pan is named French Samuels. Samuel French is the name of the publishing company that manages the rights to the musical "Peter Pan".
Emma Stone was originally offered the role of Molly opposite Jonah Hill, but had to turn it down due commitments to "The Amazing Spider-Man". Jennifer Lawrence, Juno Temple, Gemma Ward and Julianne Hough were also considered before Brie Larson was cast.