What is the exact order of crediting for actors and actresses opening credits Smallville Season 5?

The main cast of Smallville Season 5 is credited in the opening credits in the following order:

* Tom Welling as Clark Kent

* Kristin Kreuk as Lana Lang

* Michael Rosenbaum as Lex Luthor

* Erica Durance as Lois Lane

* Allison Mack as Chloe Sullivan

* Sam Jones III as Pete Ross

* Annette O'Toole as Martha Kent

* John Glover as Lionel Luthor