Telly Savalas was 38 in Mad Dog Coll when he played the character 'Lt. Dawson'.
That was over 63 years ago in 1961.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
In 1994 he died aged 72, starring in 86 films in his career, 85 of those after Mad Dog Coll was first released. If he were alive today he would be 102.
In Mad Dog Coll, I think Telly Savalas looks: