Christopher Reeve was 40 in The Remains of the Day when he played the character 'Jack Lewis'.
That was over 30 years ago in 1993.
In 2004 he died aged just 52, starring in 62 films in his career, 24 of those after The Remains of the Day was first released. If he were alive today he would be 71.
In The Remains of the Day, I think Christopher Reeve looks: