That was over 47 years ago in 1974.
Today he is 79, and has starred in 93 movies in total, 84 since The Conversation was released.
In The Conversation, I think Harrison Ford looks:
The Conversation scores 7.5 out of 10 on The Movie Database.
Harrison Ford's first acting role was as 'Bellhop Pager (uncredited)' in Dead Heat on a Merry-Go-Round, released in 1966 when he was 24.