Peter Dinklage was 47 in Avengers: Infinity War when he played the character 'Eitri the Dwarf'.
That was over 6 years ago in 2018.
Today he is 54, and has starred in 71 movies in total, 12 of those since Avengers: Infinity War was released.
In Avengers: Infinity War, I think Peter Dinklage looks: