![Smallville amy adams](https://www.intouchweekly.com/wp-content/uploads/2016/05/smallville-amy-adams.png?resize=940%2C529&quality=86&strip=all)
Warner Bros
21 Celebrities You Completely Forgot Guest Starred on ‘Smallville’
Can you believe that it’s already been five years since the last episode of Smallville premiered? It seems like it was just the other day when we were all watching Clark Kent gawk over Lana Lang and struggle with his new abilities!
But looking back, we know that Clark’s journey would never have been the same without those brutal villains he had to fight by the dozen. And believe it or not, most of these characters were portrayed by celebrity guest stars, like Amy Adams and Ian Somerhalder. Scroll down to see which other famous actors and actresses appeared on the show!
REDATED: See What the Original Cast of ‘Smallville’ Looks Like Today!
Amy Adams (Jodi Melville)
![amy adams smallville amy adams smallville](https://www.intouchweekly.com/wp-content/uploads/2016/05/smallville-amy-adams-6.png?fit=400%2C228&quality=86&strip=all&resize=400%2C228)
Tori Spelling (Linda Lake)
![tori spelling smallville tori spelling smallville](https://www.intouchweekly.com/wp-content/uploads/2016/05/smallville-tori-spelling.png?fit=400%2C225&quality=86&strip=all)
Adam Brody (Justin Gaines)
![adam brody smallville adam brody smallville](https://www.intouchweekly.com/wp-content/uploads/2016/05/smallville-adam-brody.png?fit=400%2C226&quality=86&strip=all)
Pam Grier (Amanda Waller)
![pam grier smallville pam grier smallville](https://www.intouchweekly.com/wp-content/uploads/2016/05/smallville-pam-grier.png?fit=400%2C226&quality=86&strip=all)
Tyler Posey (Javier Ramirez)
![tyler posey smallville tyler posey smallville](https://www.intouchweekly.com/wp-content/uploads/2016/05/smallville-tyler-posey.png?fit=400%2C225&quality=86&strip=all)
Brian Austin Green (John Corben)
![brian austin green smallville brian austin green smallville](https://www.intouchweekly.com/wp-content/uploads/2016/05/smallville-brian-austin-green.png?fit=400%2C225&quality=86&strip=all)
Ian Somerhalder (Adam Knight)
![ian somerhalder smallville ian somerhalder smallville](https://www.intouchweekly.com/wp-content/uploads/2016/05/smallville-ian-somerhalder.png?fit=400%2C225&quality=86&strip=all)
Paul Wesley (Lucas Luthor)
![paul wesley smallville paul wesley smallville](https://www.intouchweekly.com/wp-content/uploads/2016/05/smallville-paul-wesley.png?fit=400%2C225&quality=86&strip=all)
Lizzy Caplan (Tina Greer)
![lizzy caplan smallville lizzy caplan smallville](https://www.intouchweekly.com/wp-content/uploads/2016/05/smallville-lizzy-caplan.png?fit=400%2C225&quality=86&strip=all)
Lucas Grabeel (Lex Luthor)
![lucas grabeel smallville lucas grabeel smallville](https://www.intouchweekly.com/wp-content/uploads/2016/05/smallville-lucas-grabeel.png?fit=400%2C225&quality=86&strip=all)
Christina Milian (Rachel Davenport)
![christina milian smallville christina milian smallville](https://www.intouchweekly.com/wp-content/uploads/2016/05/smallville-christina-milian.png?fit=400%2C226&quality=86&strip=all)
Bow Wow (Baern/Lamar Johnson)
![bow wow smallville bow wow smallville](https://www.intouchweekly.com/wp-content/uploads/2016/05/smallville-bow-wow.png?fit=400%2C225&quality=86&strip=all)
Alan Ritchson (Arthur Curry/Aquaman)
![alan ritchson smallville alan ritchson smallville](https://www.intouchweekly.com/wp-content/uploads/2016/05/smallville-alan-ritchson.png?fit=400%2C225&quality=86&strip=all)
Christopher Reeve (Dr. Virgil Swann)
![christopher reeve smallville christopher reeve smallville](https://www.intouchweekly.com/wp-content/uploads/2016/05/smallville-christopher-reeve.jpg?fit=400%2C248&quality=86&strip=all)
Chris Carmack (Geoff Johns)
![chris carmack smallville chris carmack smallville](https://www.intouchweekly.com/wp-content/uploads/2016/05/smallville-chris-carmack.png?fit=400%2C225&quality=86&strip=all)
Joe Morton (Dr. Steven Hamilton)
![joe morton smallville joe morton smallville](https://www.intouchweekly.com/wp-content/uploads/2016/05/smallville-joe-morton.png?fit=400%2C225&quality=86&strip=all)
Eva Marcille (Tyler Crenshaw)
![eva marcille smallville eva marcille smallville](https://www.intouchweekly.com/wp-content/uploads/2016/05/smallville-eva-marcille.png?fit=400%2C225&quality=86&strip=all)
Jonathan Taylor Thomas (Ian Randall)
![jonathan taylor thomas smallville jonathan taylor thomas smallville](https://www.intouchweekly.com/wp-content/uploads/2016/05/smallville-jonathan-taylor-thomas.png?fit=400%2C225&quality=86&strip=all)
Jesse Metcalfe (Van McNulty)
![jesse metcalfe smallville jesse metcalfe smallville](https://www.intouchweekly.com/wp-content/uploads/2016/05/smallville-jesse-metcalfe.png?fit=400%2C225&quality=86&strip=all)
Allison Scagliotti (Jayna)
![allison scagliotti smallville allison scagliotti smallville](https://www.intouchweekly.com/wp-content/uploads/2016/05/smallville-allison-scagliotti.jpg?fit=400%2C225&quality=86&strip=all)
David Gallagher (Zan)
![david gallagher smallville david gallagher smallville](https://www.intouchweekly.com/wp-content/uploads/2016/05/smallville-david-gallagher.jpg?fit=400%2C274&quality=86&strip=all)
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