25 Actors Who Gained Or Lost Considerable Weight for Their Roles

Matthew McConaughey lost 40 and Jared Leto gained 60 pounds.

Damjan

• Published in Film & TV
• April 10, 2022

How difficult can acting be? Many of us have certainly fantasized about being a budding star who could easily portray a leading man or lady with a bit of luck and a little help learning the lines.

However, as any actor will tell you, it's a career that takes a great deal of skill and dedication. It often goes beyond just sliding into character and delivering a few lines here and there while wearing make-up or a fake mustache.

Would you be willing to put your body at risk in order to gain a lot of weight? Or to go on a month-long diet for a role-appropriate weight loss?

Or, in certain circumstances, to put up with a torturous muscle-building regimen that necessitates six hours a day at the gym? After all, becoming a famous actor isn't easy at all.

We've decided to honor those notable celebrities who went to great lengths to modify their bodies, those who put in enormous physical and mental effort to represent their characters as truthfully and accurately as possible. Many of these actors deservedly received important accolades for their efforts.

Scroll down to see and learn about the tremendous transformations these celebrities endured in order to better represent their character!

1. Mark Wahlberg

Wahlberg posted a photo of his earlier slim figure next to his new style, which he got by adding 20 pounds for his upcoming film Stu

2. Joaquin Phoenix

The Oscar winner revealed his 52-pound weight reduction for his Joker role.

"Once you reach the target weight, everything changes. Like so much of what's difficult is waking up every day and being obsessed over like 0.3 pounds. Right? And you really develop like a disorder."

3. Chris Pratt

He threw on tens of pounds of muscles for his role in the Guardians of the Galaxy.

4. J.K. Simmons

When the star showed his big biceps in Justice League, fans were astonished.

5. Jake Gyllenhaal

After eliminating 30 pounds for Nightcrawler, he said: "I'd say my mother was worried, I would say she just wanted me to be careful. But she also knew and knows how seriously I take what I do and she respects that."

6. Miles Teller

The actor muscled up for his roles in Whiplash and the Divergent franchise.

7. Michael B. Jordan

The Black Panther star grew roughly 30 pounds of weight to play a boxer in the film Creed

8. Jared Leto

For his thrilling performance in The Dallas Buyers Club, the actor and musician won an Academy Award. For the part, he shed 40 pounds.

9. Chris Messina

He added 40 pounds for his character in Live by Night.

10. Chris Hemsworth

The Thor actor lost weight for his role in The Heart of the Sea. However, Hemsworth returned to his athletic form after a shooting.

11. Renée Zellweger

The actress had to put on some weight to portray the likable character for the first and second movies in the Bridget Jones's Diary franchise.

12. Chad Michael Murray

For his part as a drug user in Other People's Children, the actor lost 25 pounds.

13. Matthew McConaughey

The Magic Mike star lost 30 pounds for his role in The Dallas Buyer's Club, based on a true story about a dying man of AIDS in the 1980s who cured himself with homeopathic cures imported into the US from Mexico.

14. Matthew Fox

He spent five months working out with the same instructor who helped Daniel Craig prepare for his James Bond role.

15. Aaron Carter

In 2010, the artist shared a photo of his bulked-up body on Twitter with the caption:

"I've been at Johnny Wright's compound working on my mind, music, and body for a new album release!"

16. Taylor Lautner

After playing werewolf Jacob Black in the Twilight sequel, the young star transformed into a muscular heartthrob.

"The day I finished Twilight, I came home and started bulking up, For New Moon, I'm 30 pounds heavier than I was in Twilight."

17. Jason Segel

For his role in Sex Tape, the actor shed tremendous weight.

18. Rooney Mara

The actress was thin and muscular for her lead character in The Girl With the Dragon Tattoo.

19. Anne Hathaway

The actress won an Oscar for her performance in the musical Les Misérables.

20. Christian Bale

The actor shed more than 60 pounds for his character in The Machinist in 2004. For both American Hustle and Vice, he gained 40 pounds, and for Ford v Ferrari, he dropped 70 pounds.

21. Jake Gyllenhaal

For his role in the 2010 film Prince of Persia, the actor resembled a god rather than a prince. To bulk up for the film, Gyllenhaal stated he practiced Parkour, a French technique of street running.

22. Tom Hanks

"All it is is time and discipline," To play a guy left on an uninhabited island, he shed nearly 50 pounds.

23. 50 Cent

The usually ripped rapper surprised everyone with a photo of himself seeming skinny. To play a football player who has cancer in Things Fall Apart, he reportedly went from 214 to 160 pounds in just nine weeks.

24. Robert De Niro

The famous actor had to put on some muscles to play rapist Max Cady in the 1991 thriller Cape Fear.

25. Christian Bale

Before his performance in the 2018 film Vice, the had to put on some weight to play Vice President Dick Cheney.

It is amazing to see what some actors are willing to do to get into a character. And that’s what makes them great actors.

Their job is to “sell” the character and make us believe they are real. And it is so evident that the people on our list are doing an excellent job.

Damjan