United Kingdom, May 22 -- Nicholas Galitzine felt like a "complete fraud" the first time he tried on his He-Man costume.

The 31-year-old actor portrays Prince Adam and his super hero alter ego in new movie Masters of the Universe, and ahead of his dramatic body transformation for the role, he admitted he felt "undeserving" because it felt like an impossible undertaking.

He told Extra: "To be candid, when I first tried on the costume, you know, when I hadn't fully made my transformation, I felt like a complete fraud. You know, I felt undeserving. I felt like, 'How am I gonna get to this point?'"

Nicholas didn't feel he had enough time to get in the shape he needed to be in.

He said: "I come from a sporting background. I've been in gyms...