That was over 52 years ago in 1969.
Today he is 84, and has starred in 75 movies in total, 56 since Easy Rider was released.
In Easy Rider, I think Jack Nicholson looks:
Easy Rider scores 7.1 out of 10 on The Movie Database.
Jack Nicholson's first acting role was as 'Jimmy Wallace' in The Cry Baby Killer, released in 1958 when he was 21.