[s1e1] - George Clooney

: Establishing Doug Ross as the "bad boy" of the hospital.

While "24 Hours" is often cited as Clooney’s big break, it actually wasn’t his first time playing a doctor on a show called ER . A decade earlier, he starred in a short-lived CBS sitcom titled E/R . However, it was the 1994 NBC drama that truly stuck. [S1E1] George Clooney

: Clooney and the cast took pride in the show's realism, often using betting pools to see who could nail complex, jargon-heavy scenes in the fewest takes. Fun Facts & Behind-the-Scenes : Establishing Doug Ross as the "bad boy" of the hospital