That was over 34 years ago in 1987.
Today he is 57, and has starred in 78 movies in total, 75 since Less Than Zero was released.
In Less Than Zero, I think Brad Pitt looks:
Less Than Zero scores 6.2 out of 10 on The Movie Database.
Brad Pitt's first acting role was as 'Partygoer / Preppie Kid at Fight (uncredited)' in Less Than Zero, released in 1987 when he was 23.