That was over 82 years ago in 1940.
In 1986 he died aged 82, starring in 92 films in his career, 53 since The Philadelphia Story was released.
In The Philadelphia Story, I think Cary Grant looks:
The Philadelphia Story scores 7.7 out of 10 on The Movie Database.
Cary Grant's first acting role was as 'Lt. Jaeckel' in Devil and the Deep, released in 1932 when he was 28.