Jamie Lynn Spears as Zoey Brooks
Jamie 101: While Jamie sang "Follow Me" — aka the Zoey 101 theme song — it was her sister, a little artist known as Britney Spears, who wrote it.
Paul Butcher as Dustin Brooks
Erin Sanders as Quinn Pensky
Erin 101: The character of Quinn wasn't in the original pilot — the role was specifically written because show creator Dan Schneider was impressed by Erin.
Matthew Underwood as Logan Reese
Matthew 101: The former bad boy of Zoey 101 is now a literal hero. Last year he saved a baby from a car crash.
Sean Flynn as Chase Matthews
And here's Matt and Sean together last year...
Christopher Massey as Michael Barret
Christopher 101: Christopher is a singer-rapper in addition to his acting career and still puts out new music on SoundCloud.
Jack Salvatore Jr. as Mark Del Figgalo
Jack 101: These days, Jack is a stand-up comedian who posts funny sketches and videos on his YouTube channel.
Victoria Justice as Lola Martinez
Victoria 101: As a Nick kid growing up, Victoria addressed whether or not there were "feuds" between Nick and Disney stars in an interview with E! Online, and here's what she had to say: "There's not really any beef with either one of them. You just kind of go to different events sometimes, and I don't know, you're kind of in different circles, I guess, in a way."
Abby Wilde as Stacey Dillsen
Abby 101: Show creator Dan Schneider actually came up with Stacey's song "Sassafras Tea" while driving to set one morning and recorded it on his tape recorder.
Alexa Nikolas as Nicole Bristow
Kristin Herrera as Dana Cruz
Kristin 101: Pour one out for Dana! Kristin was gone too soon from Zoey 101, but you can watch her for posterity in the Hilary Swank classic, Freedom Writers.