Christopher Lee was 67 in Gremlins 2: The New Batch when he played the character 'Doctor Catheter'.
That was over 34 years ago in 1990.
In 2015 he died aged 93, starring in 288 films in his career, 106 of those after Gremlins 2: The New Batch was first released. If he were alive today he would be 102.
In Gremlins 2: The New Batch, I think Christopher Lee looks: