Doug Ross

Douglas Ross, M.D. is a fictional character from the NBC medical drama series ''ER,'' portrayed by American actor George Clooney. He is a pediatric fellow, employed by the pediatric service, but works in the ER. He is later promoted to a pediatric attending in the ER. He appears from the pilot episode before departing in the fifth season episode "The Storm - Part II". Clooney later made guest appearances in the sixth season episode "Such Sweet Sorrow" and in the fifteenth season episode "Old Times". Provided by Wikipedia