The medical procedural drama premiered in 1994 on NBC and ran for a staggering 15 seasons. See where the star-studded cast is ...

After running for 331 episodes over 15 seasons, it's no surprise that ER had a ton of famous faces come through the emergency ...

View post on Instagram "ER" served as the launching pad for the careers of all four actors, who went on to form some amazing careers in television. Clooney was one of the lead stars of the ...