That was over 21 years ago in 2000.
Today he is 60, and has starred in 65 movies in total, 44 since O Brother, Where Art Thou? was released.
In O Brother, Where Art Thou?, I think George Clooney looks:
O Brother, Where Art Thou? scores 7.3 out of 10 on The Movie Database.
George Clooney's first acting role was as 'Seth Gecko' in From Dusk Till Dawn, released in 1996 when he was 34.