Benny Hill was 31 in Who Done It? when he played the character 'Hugo Dill'.
That was over 67 years ago in 1956.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
In 1992 he died aged 68, starring in 18 films in his career, 17 of those after Who Done It? was first released. If he were alive today he would be 99.
In Who Done It?, I think Benny Hill looks: