Random Trivia For This Title:
- Colin Firth did eighty percent of his own stunts, according to Stunt Coordinator and Second Unit Director [?] Bradley James Allan.
- All the action is framed centrally, your eyes never need to leave the center of the frame.
- Colin Firth worked out for around six months to be in top fighting shape and physical form in order to portray gentleman spy Galahad a.k.a. Harry Hart.
- Matthew Vaughn originally wanted the Kingsman Agents to kill the dogs, but Jane Goldman felt it risked losing the audience. Eventually they came up with a compromise of using blanks instead. Harry's "stuffed dog" scene was kept in, but he explained it died of pancreatitis years later.
- Many of the villains in the James Bond franchise have had some form of physical dysfunction, difference, or abnormality. Samuel L. Jackson's character of Richmond Valentine was originally intended not to have a lisp. However, Jackson completed his first take with a lisp. Matthew Vaughn yelled "cut!", and talked to Jackson, who revealed to Vaughn that, prior to having an acting career, he actually had a lisp, which he eventually overcame. It was also jokingly remarked that this lisp is Valentine's reason for being villainous.
- Matthew Vaughn withdrew from directing X-Men: Days of Future Past (2014) in order to direct this movie.
- In this movie, Professor James Arnold was played by Mark Hamill. In the comic series, Hamill is the first celebrity kidnapped by Dr. Arnold.
- Sofia Boutella had to undergo an intense training schedule to portray the part of Gazelle. Boutella has said: "They taught me Thai boxing, Taekwondo, and how to work with cables. Gazelle uses her legs to kill, so I had to learn different types of kicks. I'd never done anything like it before."
- Mark Strong, who played Merlin, said: "This movie will be to Bond, what Kick-Ass (2010) is to superhero movies."
- Matthew Vaughn wanted the character of Merlin (Mark Strong) to have a Welsh accent, but Strong found the accent too challenging, and persuaded Vaughn to let him use a Scottish accent instead.
- Taron Egerton worked out very hard for months on end to get in shape for this film eventually developing six-pack abs for his shirtless scenes. He said that it "required a lifestyle change" for him and "total commitment to living a certain way and being very militant about what you eat." He said he overall enjoyed the experience and would definitely do it again if there is a sequel. He was thrilled that his body was captured looking that way for the silver screen adding "to see my body transform and then to have that there forever on screen is quite a nice feeling. For generations to come, we can all appreciate my abs."
- When plummeting towards the Earth with only one parachute, Roxy (Sophie Cookson) and Gary "Eggsy" Unwin (Taron Egerton) perform a stunt known in the skydiving community as a "Mr. Bill". This is where Eggsy hangs on to Roxy, who then deploys her parachute, so both of them hang suspended underneath the one chute. The opening shock, and resulting forces, make this stunt impossible to execute during terminal velocity.
- The phrase that Hart quotes before the bar fight, "manners maketh man", is the motto of British schools Winchester College and Urmston Grammar School.
- It is quite common in American movies for the villains to be portrayed with an English accent. In this movie, the villain is distinctly American, whereas the hero is English.
- At the "Kingsman" press conference at the San Diego Comic-Con in August 2014, Samuel L. Jackson answered a reporter's cell phone, which rang on the table in front of the actors as it was recording their answers. Jackson stayed on the phone with the caller, to the great amusement of everyone in the room.
- Colin Firth, who plays Galahad a.k.a. Harry Hart, would not let his own children, who were aged eleven and thirteen in 2015, to watch this movie.
- Emma Watson and [?] Bella Heathcote were considered for the role of Roxy.
- Leonardo DiCaprio, Tom Cruise, and Idris Elba were considered for the role of archvillain Richmond Valentine.
- The final choices for the role of Gary "Eggsy" Unwin were [?] Jack O'Connell, John Boyega, and Taron Egerton. Matthew Vaughn cast Egerton because, he "had a likeability about him, which was so unique."
- Aaron Taylor-Johnson was offered the role of Gary "Eggsy" Unwin, but he declined.
- When Gary "Eggsy" Unwin (Taron Egerton) asks if the suit will fit him, Merlin (Mark Strong) tells him that "bespoke" always fits. This is the difference between bespoke and made-to-measure (MTM). A bespoke suit uses a pattern created specifically for the individual wearer, with multiple fittings (five plus is not uncommon, each building on the fitting before), and colors and fabric to suit individual tastes. MTM is made from a pattern already created, using pre-selected fabrics and colors, and commonly has one fitting to measure and adjust the pattern, and a second to fix any errors.
- Taron Egerton's feature film debut. Testament of Youth (2014) was released first, but this movie was filmed first.
- Theatrical debut of Sophie Cookson (Roxy).
- When Harry Hart (Colin Firth) has Gary "Eggsy" Unwin (Taron Egerton) click his heels like a German, a blade comes out of the shoe toe. Harry also mentioned in the old days there was a phone in the heel, a reference to the television spy comedy [Get Smart (1965)].
- In Sir Michael Caine's final scene, he speaks with his native Cockney accent, suggesting that Arthur's roots are not so aristocratic as one would think.