Who plays a cowboy in the casino bathroom film Austin Powers?

You're likely thinking of the scene in Austin Powers: International Man of Mystery where Austin encounters a cowboy in the bathroom of a casino. This cowboy is played by Will Ferrell, in one of his earliest film roles.

He's not just any cowboy, though. He's "The Man with the Golden Gun," who famously attempts to "do it to Austin" in the bathroom, but is ultimately unsuccessful.