Orson Welles was 31 in The Lady from Shanghai when he played the character 'Michael O'Hara'.
That was over 76 years ago in 1947.
In 1985 he died aged 70, starring in 241 films in his career, 221 of those after The Lady from Shanghai was first released. If he were alive today he would be 109.
In The Lady from Shanghai, I think Orson Welles looks: