That was over 30 years ago in 1991.
Today he is 51, and has starred in 89 movies in total, 74 since Robin Hood: Prince of Thieves was released.
In Robin Hood: Prince of Thieves, I think Christian Slater looks:
Robin Hood: Prince of Thieves scores 6.6 out of 10 on The Movie Database.
Christian Slater's first acting role was as 'uncredited' in Sherlock Holmes: The Strange Case of Alice Faulkner, released in 1981 when he was 12.