Chris Hemsworth's on-screen body transformations usually requires him to bulk up, but this time he slimmed WAY down!
The Avengers: Age of Ultron star used to eat eight meals a day and hit the gym twice daily to get the godlike body of Thor!
But for Ron Howard's aquatic adventure film In the Heart of the Sea, the 31-year-old ate a 500 calorie diet to get the body of a starving shipwrecked sailor!
In this real life disaster that inspired Moby Dick, Hemsworth is playing first mate Owen Chase, one of the shipmates attacked by a whale in the winter of 1820 who become shipwrecked and battle starvation!
The Aussie actor explained how he and his co-stars Cillian Murphy, Ben Whishaw, and Paul Anderson made quite the diet tribe, saying: