Below, see what the main cast of season 1 of ER has been up to since the show wrapped in 2009. 01 of 11. George Clooney as Doug Ross . George Clooney.

The beloved medical drama premiered in September 1994 and lasted for 15 seasons, ending in 2009, and in those 331 episodes, guest actors came and went, sometimes for long arcs, sometimes for no ...