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We all enjoy a great movie, but what truly makes it memorable is the performance of the actors. They invest months of preparation into their roles, yet sometimes their work is more challenging than we realize.
Some actors undergo incredible transformations to authentically portray their characters. They might wear elaborate makeup, change their hair, grow facial hair, or get tattoos. However, in some cases, they must dramatically alter their weight. Here are 10 examples of actors who underwent impressive weight changes for a film role.
10. Adam Driver - Silence
Adam Driver is renowned for his role as artist Adam Sackler in the HBO series Girls and his captivating performances in films like Star Wars: The Force Awakens, Paterson, and Inside Llewyn Davis. He made his film debut in 2011, but it is one particular performance that has truly left a lasting impression on his fans.
In 2016, Adam Driver played a key role in Martin Scorsese’s Oscar-nominated film Silence. He portrayed Francisco Garupe, a priest from Portugal who embarks on a journey to Japan with a fellow priest in search of their missing mentor.
For this role, Driver was asked to undergo a significant weight loss, shedding 18 kilograms (40 pounds). Reflecting on this transformation, Driver commented, “I don’t think I’ve ever taken it to the extreme before. [ . . .] You’re so hungry and so tired at some points that there’s nothing you can do.”
9. Jake Gyllenhaal - Southpaw
Some actors have undergone dramatic physical transformations for a role, either packing on pounds or shedding so much weight that it made them appear unhealthy. Jake Gyllenhaal bulked up significantly for his portrayal of Billy Hope, a middleweight boxer in the film Southpaw. In the movie, Billy is determined to win a major fight that could reunite his family.
Before filming Southpaw, Gyllenhaal had just lost weight for his role in Nightcrawler, weighing in at just 67 kilograms (147 lbs). He worked tirelessly to gain 13 kilograms (28 lbs) of lean muscle for his role, pushing himself to get in top shape in a short period.
Gyllenhaal also developed a passion for boxing during his training. To prepare for the intense physical demands of his role, he incorporated jogging, jump rope exercises, footwork drills, shadow boxing, bag work, tire drills, and strength and conditioning into his workout routine.
8. Natalie Portman in Black Swan
The delicate ballerina we observed in Black Swan closely mirrored the real-life Natalie Portman during filming. Already possessing a petite frame, Portman shed an additional 9 kilograms (20 lb) to portray Nina Sayers. Her dedication led her to practice up to 16 hours daily, surviving on minimal food, a routine resembling that of a true professional ballerina.
Portman became so emaciated that on some nights, she feared for her life. She shared with Entertainment Weekly, “It was the first time I understood how you could get so immersed in a role that it could almost consume you.”
Her portrayal as the Swan Queen earned her an Academy Award, a Screen Actors Guild Award, a Golden Globe, and numerous other accolades. The film, which also featured Mila Kunis, saw Kunis lose a significant amount of weight for her role as the Black Swan.
7. Chris Pratt in Guardians of the Galaxy
Chris Pratt is best known for his role as the upbeat and somewhat naive Andy Dwyer on the beloved TV show Parks and Recreation. He has also starred in hit films such as Jurassic World, The Magnificent Seven, and Guardians of the Galaxy. For his role in Guardians of the Galaxy, Pratt transformed his physique, showcasing an impressive new muscular look.
In Guardians of the Galaxy, Pratt takes on the role of Peter Quill, a roguish adventurer who assembles a team of misfits to stop a villain from destroying the galaxy. This transformation marked Pratt's shift from a comedic, chubby character to a lean, muscular hero.
Over six months, Pratt managed to lose over 27 kilograms (60 pounds) by adhering to a strict diet and a challenging workout routine. His training program included four to six sessions each week, combining bodybuilding with conditioning exercises. The results of his hard work were clear when he revealed his transformed physique.
6. Christian Bale in The Machinist
Actors often go to great lengths to ensure they embody their roles authentically, but Christian Bale is undoubtedly one of the most remarkable in this regard. He clinched an Oscar for his performance in The Fighter and earned nominations for both The Big Short and American Hustle, roles in which he underwent notable physical transformations.
Bale is famously known for his commitment to extreme dieting, including the notorious yo-yo diet. He pushed his body to the limits for his role in The Machinist, where he took his dedication to an extreme level.
To play the insomniac Trevor Reznik in The Machinist, Bale lost an astounding 29 kilograms (65 lb). His diet was limited to just an apple and a can of tuna daily, and he even resorted to smoking to curb his hunger during the process.
Bale dropped an additional 9 kilograms (20 lb) beyond what he was advised, and he even attempted to shed another 2 kilograms (5 lb) before doctors intervened, warning that it could be life-threatening. After filming The Machinist, Bale had only four months to put on muscle for his role as Batman in Batman Begins.
5. Charlize TheronMonster
Charlize Theron, born in South Africa, is renowned for her beauty and remarkable talent in Hollywood. She dramatically altered her model-esque appearance for her role in Mad Max: Fury Road, shaving her head, but it was her performance in the movie Monster that truly showcased her versatility. In this film, she transformed into a completely different character, embodying Aileen Wuornos.
In Monster, Theron portrayed Aileen Wuornos, a prostitute from Daytona Beach who becomes a notorious serial killer. To capture her transformation, Theron gained 14 kilograms (30 pounds) and wore prosthetic teeth, which made her almost unrecognizable, staying true to the real-life criminal’s appearance.
Her performance was nothing short of stellar, earning her a wealth of accolades. Monster garnered critical acclaim, with Theron securing an Oscar, a Golden Globe, and a Screen Actors Guild Award for her portrayal of Wuornos.
4. Matthew Fox in Alex Cross
Matthew Fox is best known for portraying Dr. Jack Shephard on the famous TV series Lost, but his drastic transformation for the film Alex Cross sparked considerable buzz. In the movie, he plays the villain Picasso, a menacing and psychotic serial killer.
To take on the role, Fox shed 18 kilograms (40 lbs), leaving him looking remarkably gaunt, yet impressively muscular. He committed to rigorous training, spending five months preparing for the role in the film.
Speaking to E! News in an interview, Fox shared, “The workout regimen consisted of mostly circuit training—nonstop from one exercise to another with no rest for about 90 minutes. I burned a ton of calories while targeting specific muscle groups.”
3. Jared Leto – Chapter 27
Jared Leto, the lead vocalist for the band 30 Seconds to Mars, is also a well-known figure in Hollywood. His acting career includes memorable roles in films like Panic Room, Requiem For a Dream, Fight Club, Lord of War, and Suicide Squad.
Leto is no stranger to dramatic physical changes for his roles, including his portrayal of Rayon, a transgender woman living with HIV in Dallas Buyers Club. He lost over 18 kilograms (40 lbs) for the part, a transformation that earned him an Oscar and a Golden Globe.
Long before his acclaimed role in Dallas Buyers Club, Leto underwent an even more extreme transformation for his portrayal of Mark David Chapman, the man who assassinated John Lennon, in Chapter 27.
To prepare for the 2007 film, Leto put on an astonishing 30 kilograms (67 lbs). His weight gain was largely fueled by consuming microwaved pints of ice cream mixed with olive oil and soy sauce. The drastic change led to health issues, including gout and high cholesterol.
Alexandra Milchan, one of the producers behind the film, remarked, “Jared’s performance is worth watching the movie for. It’s shocking, astonishing, and amazing in every way.”
2. 50 Cent – All Things Fall Apart
The rapper turned actor has made a name for himself on the big screen with roles in movies like Get Rich or Die Tryin’, Escape Plan, and Spy. In All Things Fall Apart, he underwent a dramatic physical change to portray a cancer patient. He stars as Deon, a college football player who is battling the disease. 50 Cent took on this role as a tribute to a dear friend who lost their life to cancer.
In preparation for the role, 50 Cent lost over 23 kilograms (50 lbs) in just nine weeks by following an intense liquid diet and running on a treadmill for three hours daily. Despite warnings from his manager to consult a doctor before losing any more weight, 50 Cent was determined to continue shedding pounds.
At one point, he admitted to Parade that the situation became incredibly challenging. He said, 'If I don’t get close enough to the image of my best friend as I saw him before his passing, then I’m not doing the story justice.'
1. Anne Hathaway in Les Miserables
From her early days in The Princess Diaries, we’ve watched Anne Hathaway evolve into a skilled actress. She’s starred in numerous successful films, but none as transformative as her role in Les Miserables.
In her stunning portrayal of Fantine, Hathaway endured an extreme physical transformation, losing a total of 11 kilograms (25 lbs) for the role. A significant portion, 7 kilograms (15 lbs), was shed in the two weeks leading up to filming.
Although the director did not initially want her to shed the pounds, it was Anne Hathaway’s own choice to alter her appearance to make the role feel more authentic. During a pivotal scene, the character undergoes a dramatic haircut, and Hathaway opted to cut her real hair on camera instead of using a wig or prosthetics.
Her exceptional portrayal earned her prestigious accolades, including an Oscar, Golden Globe, BAFTA Award, and Screen Actors Guild Award.
