Simplify the following text for a Grade 7 native English-speaking person.
Original: Thomas John Patrick `` Tom '' Welling ( born April 26 , 1977 ) is an American actor , director , producer , and former model , best known for his portrayal of Clark Kent in the CW series Smallville .
Simplified: Tom Welling ( born 26 April 1977 ) is an American actor and is the main character on Smallville as Clark Kent .