Jonathan Kent, in Smallville for the first five seasons. By the time he was cast in the CW series, he was already pretty well known thanks to his previous role as Bo Duke in The Dukes of Hazzard ...

John Schneider was about 51 years old when he first debuted as Jonathan Kent on Smallville, but like Martha, Jonathan's age ...

Smallville' star Tom Welling had fans doing a double take after seeing his aged face in his DUI arrest mug shot.

Yet, the version of Pa Kent viewers (and thereby Clark) got to spend the most time with was John Schneider's Jonathan in Smallville. The show -- which focused on Clark's coming of age -- delivered ...