James Doohan was 44 in Bus Riley's Back in Town when he played the character 'Les'.
That was over 59 years ago in 1965.
In 2005 he died aged 85, starring in 32 films in his career, 30 of those after Bus Riley's Back in Town was first released. If he were alive today he would be 104.
In Bus Riley's Back in Town, I think James Doohan looks: