Regular Cast Members of the WB/CW's Smallville

• Tom Welling as Clark Kent (Season 1-10)
• Allison Mack as Chloe Sullivan (Season 1-10, last season only episodes she is credited in not counting flashbacks)
• Michael Rosenbaum as Lex Luthor (Season 1-7, guest appearance season 10)
• Kristin Kreuk as Lana Lang (Season 1-7, recurring season 8)
• Annette O'Toole as Martha Kent (Season 1-6, guest appearance season 9 and recurring season 10)
• John Schneider as Jonathan Kent (Season 1-5, recurring season 10)
• Erica Durance as Lois Lane (Season 5-10, recurring season 4)
• Cassidy Freeman as Tess Mercer (Season 8-10)
• Justin Hartley as Oliver Queen (Season 8-10, recurring season 6, and guest appearance season 7)
• Callum Blue as Major Zod (Season 9, guest appearance season 10)
• Aaron Ashmore as Jimmy Olsen and James Bartholomew Olsen (Season 7-8, recurring season 6, and guest appearance season 10)
• Sam Witwer as Davis Bloome (Season 8)
• Laura Vandervoort as Kara Kent (Season 7, guest appearance season 8 and recurring season 10)
• John Glover as Lionel Luthor (Season 2-7, recurring season 1 and 10)
• Jensen Ackles as Jason Teague (Season 4)
• Sam Jones III as Pete Ross (Season 1-3, guest appearance season 7)
• Eric Johnson as Whitney Fordman (Season 1, guest appearance season 2 and 4)