Alexander Skarsgard Gets 'Emotional' Recalling His One Cheat Day During 'Tarzan' Diet!

Alexander Skarsgard is all smiles in a gray suit while making his way inside the Ed Sullivan Theater to make an appearance on The Late Show with Stephen Colbert on Monday (June 20) in New York City.

The 39-year-old actor expressed his love for Stephen and challenged him to eat Swedish fish eggs in the form of KALLES, a Swedish staple that the New York Times says “challenges the universal gag reflex.”

PHOTOS: Check out the latest pics of Alexander Skarsgard

Alexander also revealed details about his intense 8 month diet for the film, and how he gets “emotional” recalling the one cheat day he got to have – Watch below!

10+ pictures inside of Alexander Skarsgard making an appearance on The Late Show…