Ernest Borgnine was 54 in The Poseidon Adventure when he played the character 'Mike Rogo'.
That was over 51 years ago in 1972.
In 2012 he died aged 95, starring in 162 films in his career, 112 of those after The Poseidon Adventure was first released. If he were alive today he would be 107.
In The Poseidon Adventure, I think Ernest Borgnine looks: