Who was the most attractive guest star?

[Degobunny]

male: Lee Thompson Young
female: Jessica Parker Kennedy and Sarah Carter

[DA_Champion]

Desiree Atkins
Simone
Zatanna

Alicia Barker did look great in that lingerie

[x20ArchAngel09x]

Sarah Carter as Alicia Baker and Michael Cassidy as Grant Gabriel.

[utguardian]

Sarah Carter (Alicia) and Serinda Swan (Zatanna)

[MarvelXY]

Alan ritchson (AQUAMAN)

[lex fan 10]

Sarah Carter And Ashley Massaro

[WellingFan]

Off the top of my head:

Sarah Carter
Serinda Swan
Emmanuelle Vaugier
Krista Allen
Pascale Hutton
Peyton List

[HulkfanwithSmallville]

in a brief thought:

the girl from Action
Serinda swan
Sarah Carter
Pascale Hutton
girl from Hypnotic

[Dyanara]

Alan Ritchinson's booty in its cameo appearance in Patriot.

[Anu]

Serinda Swan
the girl who played Aquaman's wife =P

[Hopefulsuicide]

Does Jensen Ackles count as a guest star or a regular?

If not, then Tahmoh Penikett (Wes Keenan), or Ian Somerhalder (Adam Knight)

[guy]

Emmanuelle Vaugier and Serinda Swan

[LEX4EVER]

i would have to say the girl who played aquamans wife, when i saw her i said where the hell as she been, they should have casted her a long time ago

[SuperBat99]

Check out Top 100 Sexiest Women on Smallville (All 10 Seasons) YouTube Video!

http://www.youtube.com/watch?v=ZvMCHsD8OMA

Nice YouTube photo slideshow video that brings back memories of 10 seasons of beauties. Most of the women mentioned in this thread made the top 30.

[Lucky Luke]

Sexiest guest star for me would definately be Sarah Carter as Alicia Baker. Followed by Serinda Swan as Zatanna, and Kelly Brook as Victoria Hardwick.