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Sex sells, and thus when adapting a work from the page to the screen, executives often feel that, in the interest of attracting more moviegoers, certain liberties can be taken with casting. And thus, a character described as scrawny or flat-chested in a novel might magically become muscular or buxom in the film based on that novel.
May overlap with Adaptational Attractiveness
, though there's no guarantee that the bustier actress or more muscular guy is necessarily more attractive. May also be a result of Dawson Casting
or an Age Lift
. Male examples of this trope often go hand-in-hand with Adaptational Badass
. The opposite of Big Bra to Fill
Anime & Manga
- Ruiko Saten from A Certain Scientific Railgun was flat-chested in the manga, but not so much in the anime. See the comparisions here◊.
- May in Pokémon Ruby and Sapphire has an average sized chest for someone around middle school age but her Pokémon anime counterpart is infamous for changing sizes often, though it's usually at minimum a cup larger than she should. When she reappeared in Diamond and Pearl they sized her down to be more similar to the game version.
- Inverted with Final Fantasy VII: Advent Children. While in the original game, Tifa had exaggerated Boobs of Steel, the follow up movie reduced her cup size because they would have looked jarring on the more realistic character models.
Film — Animated
- Most comic-book adaptations of the John Carter of Mars books have seen fit to portray Green Martian females with breasts. In the original books, it's not clear that they have breasts, or that they nurse their young.
- Sally Acorn and Bunnie Rabbot of Sonic Sat AM had somewhat feminine proportions, but were still clearly Funny Animals. Many artists of the Archie Sonic the Hedgehog comic book have drawn the two (and many other recurring Mobians) as full on Petting Zoo People, with Bunnie's cyborg limbs even canonically redesigned just to fit this. This was downplayed as the comics tried to emulate the games' design style more.
- Going even deeper to the source games and Ricky, who Sally is based off, was a non-anthropomorphic (male) squirrel.
- Power Rangers comics tend to portray the women as more curvaceous and gives all the male heroes a Heroic Build, making them much more muscular than the relatively thin stuntmen and women that play them in the live action show.
Film — Live Action
- Pohatu from BIONICLE had scrawny arms and a tiny upper-body (what with his gear-function being in his hip) as a toy, but, overlapping with Adaptational Attractiveness, has a normal body and more proportional arms in the Direct-to-DVD film. Sidorak from the third movie is also much more buff than his scraggy toy.
- In the original novel Emmanuelle: The Joys of a Woman, the titular character becomes fascinated by Bee because the latter is slender and almost breastless. In the film, Bee was played by Marika Green, who was neither slender nor flat-chested.
- When Jennifer Lawrence was chosen to play the lead in the film adaptation of the The Hunger Games, enraged fans almost immediately complained that she was too voluptuous to play Katniss Everdeen, for whom being perpetually underfed was a defining trait. Jennifer Lawrence's response was that she refused to starve herself for a role.
- In On Her Majestys Secret Service Blofeld is portrayed by Telly Savalas, a fairly buff dude. In the books, Blofeld is described as someone whose "muscle has all turned to fat."
- In The Wizard of Oz, 8-year-old Dorothy Gale is played by 17-year-old Judy Garland, and boy, does it show, despite them taping down her breasts.
- In Daredevil, the Kingpin, who in the comic looks like a fatty but Word of God states is all muscle, is played by Michael Clark Duncan.
- Some characters in the Harry Potter movies were more muscular than their book counterparts. Ron, for instance, was described as tall and skinny in the books, while Rupert Grint was rather buff in the later movies. Similarly, Neville was short and chubby in the first few movies, fitting his appearance in the books, but puberty was really kind to Matthew Lewis, who became tall and muscular in the later films.
- Some versions of the poster for the original Star Wars movie exaggerated Princess Leia's proportions, to a Fanservice -ish degree.
- The American-made Mighty Morphin' Power Rangers: The Movie featured the characters wearing redesigned costumes that were plated like Power Armor rather than the usual spandex, and made the characters look more muscular than they do on the regular TV show.
- In Spider-Man, the spider bite that give Peter Parker his powers also makes him slightly buffer. In the original comics, the spider bite had no such effect.
- In the book of The Running Man, protagonist Ben Richards is described as "scrawny" and "pre-tubercular". In the film, he's played by Arnold Schwarzenegger.
- The 2000 Syfy adaptation of Dune cast the noticeably voluptuous Barbora Kodetova as Paul's love-interest Chani, who was supposed to be slender and devoid of body fat. It's probably just a coincidence that the uncensored version of the mini-series featured Kodetova in a topless scene...
- Saturday Night Live once poked fun at Harry Potter, in which guest host Lindsay Lohan was playing Hermione, returning to Hogwarts after summer vacation, having developed a pair of gigantic breasts, and unintentionally drawing so much attention to them that neither Harry nor Ron can keep his eyes off them. This also was Lohan poking fun at herself, as at the time, she was developing and blossoming, and her breasts grew naturally large, and thus many people were speculating that they were fake.
- The Game of Thrones version of Missandrei is quite a few years older than her counterpart in the A Song of Ice and Fire series, who's only about eleven, and thus more shapely.
- The TV version of The Walking Dead gave the already beautiful Maggie Greene height and bust-size upgrades.
- Power Rangers: What the movie and comics do for the show, the show itself does compared to its Japanese Super Sentai material. In Sentai, the boys are Bishounen and the girls are often reverse-Dawson Casting cases; everyone's younger and slenderer than you'd expect. In PR, you'll find considerably more muscles on the boys, and more curves (and muscles, though the full-on Amazon-looking cases are rare) on the girls. One of the best cases is is Gekiranger/Jungle Fury. Rio looks like he belongs in a boy band. He looks masterful in a smooth, aristocratic sort of way. Dai Shi looks like he could dismantle you without summoning his battle armor, and fitting with the lion theme is generally more feral-looking.
- An in-universe version occurs in Dragon Age II, where Varrick's initial story makes Bethany much bustier than she is in the "true" story.
- Sonic Boom (and its accompanying animated series) feature a more muscular version of Knuckles than has appeared in previous works.
- Blackarachnia's toy from in the Beast Wars line was a Palette Swap of the stocky and fat Tarantulas. The show gave her a more realistic black widow spider mode, and her robot form was modeled after a thin but well-endowed exotic dancer.