Richard Attenborough was 38 in The Great Escape when he played the character 'Roger Bartlett'.
That was over 61 years ago in 1963.
In 2014 he died aged 91, starring in 94 films in his career, 57 of those after The Great Escape was first released. If he were alive today he would be 100.
In The Great Escape, I think Richard Attenborough looks: