- Even when the director called cut on the set, Miles Teller often played the drums and didn't let himself stop until he was exhausted.
- The filming cycle of the film is only 19 days, and the entire production cycle is ten weeks (days), so hastily to be able to catch up with the registration deadline of the Sundance Film Festival.
- Dane De Haan dropped the role of Andrew in the film and was later replaced by Miles Teller.
- Miles Teller has been playing drums since he was 15 years old. During the filming process, the calluses on both hands were worn out, and the drumsticks and skeleton were stained with blood.
- In the slapped scene, J.K. Simmons and Miles Teller were doing things in the rehearsal process, but they slapped them firmly in the last shot.
- At first, Damien Chazele could not find the funds, so he could only make the film story into a short film. In 2013, the short film won the Sundance Film Festival Short Film Jury Award before receiving investment.
- The film was adapted in part based on Damien Chazerley’s real experience of joining the band in high school. He was afraid of their band teacher at the time.
Whiplash behind the scenes gags
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Terence Fletcher: If you deliberately sabotage my band, I will fuck you like a pig.
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Terence Fletcher: Nieman, you lost the fucking part.
Andrew: No, I didn't! You can't fucking do this to me!
Terence Fletcher: CAN'T?
Andrew: Yeah!
Terence Fletcher: When did you become a fucking expert on what I can or cannot do, you fucking weepy willow shitsack?
Andrew: I earned that part.
Terence Fletcher: You never earned anything. God, you are a self-righteous prick. The only reason you are a core is because you misplaced a folder. The only reason you're in studio band to begin with is because I told you EXACTLY what I'd be asking for in Nassau! Am I wrong?
Andrew: Yeah, yeah. I'm in studio band because I'm the best player...
Ryan: [interrupts] Hey, why don't you just back off, bro?
Andrew: Hey, you know, fuck off, Johnny Utah! Turn my pages, bitch!
Terence Fletcher: Hey, I can cut you any fucking time I want.
Andrew: You would've cut me by now.
Terence Fletcher: Try me, you fucking weasel!