Leslie Nielsen was 28 in The Battle of Gettysburg when he played the character 'Narrator'.
That was over 68 years ago in 1955.
In 2010 he died aged 84, starring in 123 films in his career, 121 of those after The Battle of Gettysburg was first released. If he were alive today he would be 98.
In The Battle of Gettysburg, I think Leslie Nielsen looks: