Staffel 1
Doctor Hale
Fergie Thompson
Gabe
Gary
Jake Jagielski
Jenny Jagielski
Jimmy Edwards
Junk Moretti
Larry Sawyer
Marvin 'Mouth' McFadden
May Scott
Nicki
Principal Turner
Royal Scott
Shari Smith
Theresa
Tim Smith
Whitey Durham
Staffel 2
Andy Hargrove
Anna Tagarro
Chris Keller
Cooper Lee
Ellie Harp
Emily 'Jules' Chambers
Erica Marsh
Felix Tagarro
Jimmy James
Lydia James
Rick
Taylor James
Staffel 3
Abby Brown
Gigi Silveri
Glenda Farrell
Marcus
Mel McFadden
Pete Wentz (appeared in two episodes as part of his band Fall Out Boy)
Rachel Gatina
Tony Battle
Staffel 4
Bear
Chase Adams
Daunte Jones
Derek Sommers
Ian Banks
Lily Roe Scott
Max
Nick Chavez
Shelley Simon
Staffel 5
Alice Day
Angie
Carrie
Dr. Ethan Copeland
Jason
Lindsey Strauss
Mia Catalano
Millicent Huxtable
Owen Morello
Victoria Davis
Staffel 6
Adam Reese
Andre Fields
Bobby Irons
Denise Fields
Devon Fox
Jack Daniels
Julian Baker
Lauren
Mick Wolf
Nick Lachey
Paul Norris
Principle Rimkus
Sam Walker
Sawyer Scott
Xavier Daniels
Staffel 7
Alex Dupre
Alexander Coin
Clayton Evans
David Fletcher
Katie Ryan
Kylie
Makenna Gage
Miranda Stone
Quinn James
Renee Richardson
Sara Evans