The star, who plays a U.S. presidential hopeful in "The Ides of March," says "there's a certain cutthroat element to the business" of moviemaking, but actors share a spirit of generosity that he doesn't see in politics.
Clooney is in Britain for Wednesday's London Film Festival premiere of the movie, which he describes as a "cynical look at politics."
He directed, co-wrote, produced and stars in the tale of a Democratic contender. Ryan Gosling plays an idealistic aide who grows disillusioned by the dirty world of backroom politics.
Clooney will walk the red carpet again Thursday, at the London Film festival screening of Alexander Payne's "The Descendants."