Kevin McKidd stars as Poseidon, Greek God of the sea and father of the protagonist, in the new film 'Percy Jackson & the Olympians.'

The actor sat down with PopEater to discuss the movie, how his character isn't exactly faithful to his wife and how being a dad helps him play one on screen.

"I think once you become a dad, it changes everything in your life," he tells us.

Watch the interview below and come back tomorrow for part two, where he dishes on all the kissing in 'Grey's Anatomy.'