That was over 15 years ago in 2006.
Today he is 56, and has starred in 100 movies in total, 42 since A Scanner Darkly was released.
In A Scanner Darkly, I think Robert Downey Jr. looks:
A Scanner Darkly scores 6.8 out of 10 on The Movie Database.
Robert Downey Jr.'s first acting role was as 'Puppy' in Pound, released in 1970 when he was 5.