- The American Humanitarian Association supervised the shooting of all the crows involving Brooks in the film. In one scene, Brooks fed maggots to his crow. The association believed that the maggots were not "humane" and asked them to use a maggot that died naturally. The crew had no choice but to follow suit.
- In the film, the photo posted on the parole file of the character played by Morgan Freeman, Reid, is actually Freeman's youngest son. Alfonso also ran back into the dragon sleeve in the film, and there is a line It is "New prisoner! New prisoner today!".
- In the film, a picture of Einstein is posted on the wall of Andy's cell. The actor Tim Robbins who plays Andy once starred in the fantasy film "IQ"about Einstein .
- In the film, the film by the American god of love Rita Hayworth that the prisoners watched is "Gilda".
- In the film, in the opening court scene, Andy said that he threw the gun into the Royal River. In another Stephen King novel "The Corpse", the escaped children also crossed the same river.
- In the plot of the film, there are many similarities with Alexandre Dumas' "Count of Monte Cristo".
- In the film, the tune of Warden Norton's humming is "Strong Guarantee", which is a church hymn written by Martin Luther, a Christian reformer and founder of the Lutheran Church.
- In the film, when the warden Norton opened the "Bible" containing Andy's stone hammer, the page that opened was "Exodus". This chapter describes in detail the process of the Jews' escape from Egypt.
- The director Frank Drapant watched the movie "The Good Guy" every weekend during the shooting, and got inspiration from it, using voice-over to switch scenes.
- At the beginning of the film, Andy's gunner was the director, and these close-ups were added in post-production.
- The Italian version of the film is 15 minutes shorter than the American version, and the end brief description of Andy’s free life is omitted.
- Morgan Freeman said that the work of filming is very stressful. Most of the time, the relationship between the actor and the director is strained, and he sometimes can't get along with the director. Director De La Bonte asked for some shots to be shot multiple times, but Freeman felt that there was no obvious difference. For example, the scene where Andy went to Reid to buy the stone hammer for the first time took nine hours of filming time. Freeman's baseball shot was also repeatedly NG, so that when he came to the set the next day, his arm was wrapped in a sling. Freeman sometimes refuses to take repeated shots that feel redundant. Robbins also said that the filmmaking process was long and difficult.
- Director De La Bonte bought the adaptation rights for the film for $5,000. The original Stephen never redeemed the $5,000 cheque. He later framed the check and sent it back to De La Bonte with a note: "For precautions In case you need bail someday. Love you Stephen".
The Shawshank Redemption behind the scenes gags
The Shawshank Redemption quotes
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[after Brooks held a knife to Heywood's throat]
Andy Dufresne: I just don't understand what happened in there.
Heywood: Old man's crazy as a rat in a tin shithouse, is what.
Red: Oh Heywood, that's enough out of you!
Ernie: I heard he had you shittin' in your pants!
Heywood: Fuck you!
Red: Would you knock it off? Brooks ain't no bug. He's just... just institutionalized.
Heywood: Institutionalized, my ass.
Red: The man's been in here fifty years, Heywood. Fifty years! This is all he knows. In here, he's an important man. He's an educated man. Outside, he's nothin'! Just a used up con with arthritis in both hands.
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Red: [narrating, referring to the warden committing suicide] I'd like to think that the last thing that went through his head, other than that bullet, was to wonder how the hell Andy Dufresne ever got the best of him.