14 Celebrities You Didn't Know Guest Starred On Zoey 101

talk about a throwback..

I bet you didn't know some of your favorite celeberites guest starred on Zoey 101 before they become big stars.

#1. Ashley Benson

teen.com

Season 1, Episode 8: "Quinn's Date"

Air Date: March 6, 2005

Now, Ashley Benson is famous for her role in Pretty Little Liars

#2. Christian Serratos

teen.com

Season 1, Episode 12: "School Dance"

Air Date: April 17, 2005

Now, Christian Serratos is known for her role in Twillight

#3. Jennette McCurdy

teen.com

Season 2, Episode 5: "Bad Girl"

Air Date: November 13, 2005

Now Jennette McCurdy is known for her role as Sam on Sam and Cat

#4. Jessica Stroup

teen.com

Season 2, Episode 9: "Lola Likes Chase"

Air Date: February 26, 2006

Now, Jessica Stroup is in The Following, Ted, 90210, and voices Denise in Family Guy

#5. Daniella Monet

teen.com

Season 3, Episode 1: "Surprise"

Air Date: September 24, 2006

Now, Daniella Monet is known for her role on Victorious

#6. Austin Butler

teen.com

Season 3, Episode 4: "Quarantine"

Air Date: March 25, 2007

Now, Austin Butler is known for his roles on Switched at Birth, Life Unexpected, and Jonas

#7. Nicole Gale Anderson

teen.com

Season 3, Episode 4: "Quarantine"

Air Date: Season 3, Episode 4

Now Nicole Gale Anderson is known for her role on Jonas and in Mean Girls 2

#8. Janel Parrish

teen.com

Season 3, Episode 7: "The Silver Hammer Society"

Air Date: December 6, 2006

Now Janel Parrish is known for her role on Pretty Little Liars

#9. Kevin McHale

teen.com

Season 3, Episode 10: "Wrestling"

Air Date: March 4, 2007

Now Kevin McHale is known for his role on Glee

#10. Drake Bell

teen.com

Season 3, Episode 16: "Zoey's Ribs"

Air Date: September 29, 2007

Now, Drake Bell is known for his role on Drake and Josh

#11. Miranda Cosgrove

teen.com

Season 3, Episode 18: "Paige at PCA"

Air Date: August 10, 2007

Now, Mirana Cosgrove is known for her role on Drake and Josh and iCarly

#12. Ashley Rickards

teen.com

Season 3, Episode 21: "Dance Contest"

Air Date: September 16, 2007

Now Ashley Rickards is known for her role on Awkward.

#13. Harry Shum, Jr.

teen.com

Season 4, Episode 1: "Trading Places"

Air Date: January 27, 2008

Now, Harry Shum, Jr. is known for his role on Glee

#14. Jillian Rose Reed

teen.com

Season 4, Episode 4: "Rumor of Love"

Air Date: February 5, 2008

Now Jillian Rose Reed is known for her role on Awkward.