Bill Nighy was 59 in Harry Potter and the Deathly Hallows: Part 1 when he played the character 'Rufus Scrimgeour'.
That was over 14 years ago in 2010.
Today he is 74, and has starred in 112 movies in total, 40 of those since Harry Potter and the Deathly Hallows: Part 1 was released.
In Harry Potter and the Deathly Hallows: Part 1, I think Bill Nighy looks: