Sebastian Cabot was 44 in The Sword in the Stone when he played the character 'The Narrator/Sir Ector (voice)'.
That was over 60 years ago in 1963.
In 1977 he died aged just 59, starring in 49 films in his career, 11 of those after The Sword in the Stone was first released. If he were alive today he would be 105.
In The Sword in the Stone, I think Sebastian Cabot looks: