Walter Gotell was 17 in The Goose Steps Out when he played the character 'SS Guard'.
That was over 82 years ago in 1942.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
In 1997 he died aged 73, starring in 60 films in his career, 60 of those after The Goose Steps Out was first released. If he were alive today he would be 100.
In The Goose Steps Out, I think Walter Gotell looks: