John Candy was 23 in It Seemed Like a Good Idea at the Time when he played the character 'Kopek'.
That was over 49 years ago in 1975.
In 1994 he died aged just 43, starring in 63 films in his career, 61 of those after It Seemed Like a Good Idea at the Time was first released. If he were alive today he would be 73.
In It Seemed Like a Good Idea at the Time, I think John Candy looks: