Richard Farnsworth was 39 in Spartacus when he played the character 'Salt Mine Slave / Gladiator / Slave General (uncredited)'.
That was over 64 years ago in 1960.
In 2000 he died aged 80, starring in 62 films in his career, 48 of those after Spartacus was first released. If he were alive today he would be 103.
In Spartacus, I think Richard Farnsworth looks: