Cary Grant was 33 in Bringing Up Baby when he played the character 'Dr. David Huxley'.
That was over 85 years ago in 1938.
In 1986 he died aged 82, starring in 133 films in his career, 99 of those after Bringing Up Baby was first released. If he were alive today he would be 119.
In Bringing Up Baby, I think Cary Grant looks: