Kenneth Branagh was 56 in Avengers: Infinity War when he played the character 'Asgardian Distress Call (voice) (uncredited)'.
That was over 6 years ago in 2018.
Today he is 63, and has starred in 89 movies in total, 7 of those since Avengers: Infinity War was released.
In Avengers: Infinity War, I think Kenneth Branagh looks: