A strange woman shows up claiming to be Clark's biological mother...and that his father is Lionel. Meanwhile Lana decides to meet with the man who is her biological father.
Tom Welling
Clark Kent
Kristin Kreuk
Lana Lang
Michael Rosenbaum
Lex Luthor
Allison Mack
Chloe Sullivan
John Glover
Lionel Luthor
Annette O'Toole
Martha Kent
John Schneider
Jonathan Kent
Sam Jones
Pete Ross
Blair Brown
Rachel Dunleavy
Patrick Cassidy
Henry Small
Mitchell Kosterman
Ethan Miller
Malkolm Alburquenque
Young Clark Kent
Matthew Munn
Young Lex Luthor
Shelly Schiavoni
Jennifer Small
Angela Moore
DNA Doctor
