George Clooney Revives 'E.R.' as a One-Man Cast 5:49
George Clooney recently appeared on Jimmy Kimmel Live! and was surprised to find himself doing a one-man reenactment of E.R. It turns out the Gravity actor was the only former cast member available for a last-minute reunion...and things didn’t exactly go as planned. Luckily, another TV actor stepped in to save the day.