That was over 21 years ago in 2000.
Today she is 65, and has starred in 63 movies in total, 46 since Chicken Run was released.
In Chicken Run, I think Imelda Staunton looks:
Chicken Run scores 6.5 out of 10 on The Movie Database.
Imelda Staunton's first acting role was as 'Betsy Loveless' in Comrades, released in 1987 when she was 31.