Imelda Staunton was 53 in Harry Potter and the Deathly Hallows: Part 1 when she played the character 'Dolores Umbridge'.
That was over 14 years ago in 2010.
Today she is 68, and has starred in 77 movies in total, 27 of those since Harry Potter and the Deathly Hallows: Part 1 was released.
In Harry Potter and the Deathly Hallows: Part 1, I think Imelda Staunton looks: