Clark Kent met WHO? For this list, well be going over some of the actors and other celebrities who appeared on the long-running Superman origin series, Smallville. Well be excluding the more prominent and memorable roles, such as by former classic Superman stars, like Christopher Reeve. Our list includes Cobie Smulders, Cory Monteith, Evangeline Lilly, Carrie Fisher, Ian Somerhalder, and more! Join MsMojo as we count down our picks for the Top 10 Stars You Forgot Appeared on Smallville.

10. Cobie Smulders
9. Tyler Posey
8. Lizzy Caplan
7. Cory Monteith
6. Evangeline Lilly
5. Adam Brody
4. Ian Somerhalder
3, 2 & 1???

Check out these other great videos:
Top 10 Stars You Forgot Were on Boy Meets World: https://youtu.be/6BRKtNgkLkc
Top 10 Actors You Forgot Were in the Twilight Movies: https://youtu.be/lPWtDcPUK1c
Top 10 Actors You Forgot Were on Friends: https://youtu.be/EADMdvhPe8A

Check out the voting page for this list and add your picks: https://www.watchmojo.com/suggest/Top%2010%20Stars%20You%20Forgot%20Appeared%20on%20Smallville
Special thanks to our user Jeff Després for suggesting this idea!

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