Cary Grant was 54 in North by Northwest when he played the character 'Roger O. Thornhill'.
That was over 64 years ago in 1959.
In 1986 he died aged 82, starring in 133 films in his career, 53 of those after North by Northwest was first released. If he were alive today he would be 119.
In North by Northwest, I think Cary Grant looks: