For the theatrical run, a small cough could be heard during the opening Sony logo. It was taken out of the DVD and Bluray releases to prevent viewers from thinking someone was in their home.
Kurt Russell mentioned that his son Wyatt Russell turned down a role for The Hunger Games sequels to star in this movie.
At 53 mins.) The old guy with the broken ankle trying to pass Jonah Hill wasn't a planned bit. It cuts right before Hill turns to the camera to ask what the hell that was about as he was wondering if the filmmakers were messing around with him. "I'm just gonna stay in the scene and see what happens," he recalls thinking.
They were all floored by Jillian Bell's banter with Jonah Hill in the morning scene. The filmmakers note that it was the first time they ever saw Hill on his heels. "It's like she thinks about what I'm gonna say before I say it and says it better and funnier than I was."
"I don't ever need to work with Kurt Russell," says Channing Tatum on the commentary, "because I have essentially worked with him." He's referring to co-star Wyatt Russell who "looks so much like him when I would stare in his eyes." Interestingly, Tatum went on to make a cameo appearance in The Hateful Eight, starring Kurt Russell, just one year later.
Dustin Nguyen: of the original 21 Jump Street (1987), as the Vietnamese Jesus in a deleted scene: Jenko's dream sequence while he's high on WHYPHY.