John Hurt was 37 in Watership Down when he played the character 'Hazel (voice)'.
That was over 46 years ago in 1978.
In 2017 he died aged 77, starring in 192 films in his career, 170 of those after Watership Down was first released. If he were alive today he would be 84.
In Watership Down, I think John Hurt looks: