That was over 47 years ago in 1974.
Today she is 77, and has starred in 93 movies in total, 71 since Murder on the Orient Express was released.
In Murder on the Orient Express, I think Jacqueline Bisset looks:
Murder on the Orient Express scores 7.1 out of 10 on The Movie Database.
Jacqueline Bisset's first acting role was as 'Extra (uncredited)' in The Knack... and How to Get It, released in 1965 when she was 20.