Leikararnir hér fyrir neðan láta það ekki stoppa sig ef þau þurfa að léttast eða þyngjast fyrir hlutverk í bíómynd og hafa í raun fagnað áskoruninni.
Það er ótrúlegt að sjá hvað þau geta breytt sér fram og tilbaka – enda eru þetta engar smá breytingar:
#1 Christian Bale had to gain 45 lb for his part in Vice.
![14 Actors Who Had to Overeat or Starve for Their Roles](https://wl-brightside.cf.tsp.li/resize/728x/jpg/573/f30/80d82756108001ed80ef872214.jpg)
#2 Chris Pratt slimmed down and got pumped up for Guardians of the Galaxy.
![14 Actors Who Had to Overeat or Starve for Their Roles](https://wl-brightside.cf.tsp.li/resize/728x/jpg/9b9/1f8/b7c13c5c569217602ea94956eb.jpg)
#3 Jennifer Aniston put on weight for Cake.
![14 Actors Who Had to Overeat or Starve for Their Roles](https://wl-brightside.cf.tsp.li/resize/728x/jpg/281/cec/4d7cde516ab51c8f5ac99fec5c.jpg)
#4 Adam Driver lost 50 lb for his part in Silence.
![14 Actors Who Had to Overeat or Starve for Their Roles](https://wl-brightside.cf.tsp.li/resize/728x/jpg/eaf/3a2/da050c5ed9ba7f83b964cfcefd.jpg)
#5 Matt Damon gained 30 lb for The Informant!
![14 Actors Who Had to Overeat or Starve for Their Roles](https://wl-brightside.cf.tsp.li/resize/728x/jpg/390/5ee/3bc9e65b10ae1456ea07eb14b0.jpg)
#6 Joaquin Phoenix put on weight for You Were Never Really Here.
![14 Actors Who Had to Overeat or Starve for Their Roles](https://wl-brightside.cf.tsp.li/resize/728x/jpg/ef6/b4c/30e0345fcbb3cd690a4cdbd501.jpg)
#7 Charlize Theron had to gain 50 pounds for her leading part in Tully.
![14 Actors Who Had to Overeat or Starve for Their Roles](https://wl-brightside.cf.tsp.li/resize/728x/jpg/e65/20b/4c85ad595f838547c8c3702287.jpg)
#8 Hugh Jackman had to lose 33 lb for Les Misérables and then to gain muscle mass for The Wolverine.
![14 Actors Who Had to Overeat or Starve for Their Roles](https://wl-brightside.cf.tsp.li/resize/728x/jpg/0d3/765/fe981959e9bd4e48f232f0681f.jpg)
#9 Anne Hathaway lost 24 lb for her part in Les Misérables.
![14 Actors Who Had to Overeat or Starve for Their Roles](https://wl-brightside.cf.tsp.li/resize/728x/jpg/d9e/725/2ef0485e52bb247f01bc0c859a.jpg)
#10 Jake Gyllenhaal lost 22 lb for Nightcrawler and then pumped up for Southpaw.
![14 Actors Who Had to Overeat or Starve for Their Roles](https://wl-brightside.cf.tsp.li/resize/728x/jpg/410/5c2/f0df2e5ccdaa38c38fee6c8f8b.jpg)
#11 Colin Farrell put on more than 45 lb for his part in The Lobster.
![14 Actors Who Had to Overeat or Starve for Their Roles](https://wl-brightside.cf.tsp.li/resize/728x/jpg/4be/54d/bf31545bb88aaa3726e54957f4.jpg)
#12 James McAvoy became way more massive for Glass.
![14 Actors Who Had to Overeat or Starve for Their Roles](https://wl-brightside.cf.tsp.li/resize/728x/jpg/767/066/3f51e256c1a327cca9f76239eb.jpg)
#13 Jonah Hill lost weight for Maniac.
![14 Actors Who Had to Overeat or Starve for Their Roles](https://wl-brightside.cf.tsp.li/resize/728x/jpg/60d/1bf/2284875af9862251ddb01cca2c.jpg)
#14 Chris Hemsworth had to lose 33 lb for his part in In the Heart of the Sea and then get back his muscle mass for Thor: Ragnarok.
![14 Actors Who Had to Overeat or Starve for Their Roles](https://wl-brightside.cf.tsp.li/resize/728x/jpg/780/4ab/8d93335bc3a7d29d41ab3b8505.jpg)