Zac Efron Mike O'Donnell
Michelle Trachtenberg Maggie O'Donnell
Leslie Mann Scarlett O'Donnell
Matthew Perry Mike O'Donnell (Adult)
Melora Hardin Principal Jane Masterson
Kat Graham Jamie
Thomas Lennon Ned Gold
Brian Doyle-Murray Janitor
Nicole Sullivan Naomi
Josie Loren Nicole
Hunter Parrish Stan
Diana Maria Riva Judge
Sterling Knight Alex O'Donnell
Katrina Norman Cheerleader (1989)
Margaret Cho Mrs. Dell
Collette Wolfe Wendy
Allison Miller Scarlett (Teen)
Lorna Scott Secretary
Matt Berberi Stunts
Toby Emmerich Executive Producer
Zack Duhame Stunt Driver
Tiya Sircar Samantha
Loren Lester Mike's Lawyer
Melissa Ordway Lauren
Shelby Rabara Cheerleader (1989)
Jim Gaffigan Coach Murphy
Vanessa Lee Chester Cheerleader
Adam Shankman Producer
Larry Poindexter Dean
Alina Andrei Stunts
Tommy Dewey Roger
Bubba Lewis Dorky Kid (Ned's Party)
Linda Miller Female Janitor
Jesse Heiman Mascot
Gregory Sporleder Ohio Scout
Dan Bell Stunt Double
Rachele Brooke Smith Hammer Dancer
Lisa Beach Casting
Leonard Wu Kid (Office)
Stuart F. Wilson Utility Stunts
Melissa Yonkey Hair Department Head
Burr Steers Director
Peter Staubli Sound Effects Editor
Lindsay Taylor Cheerleader (1989)
Steve Kelso Stunt Driver, Stunt Double
Michael Keller Sound Re-Recording Mixer
Jeanine Jackson Scarlet's Lawyer
Ed Ackerman School Cop
Jason Filardi Writer
Mark Chadwick Stunts
Steve Tartalia Stunt Double
Adam Gregory Dom
Sarah Katzman Casting
Craig Jensen Stunts
Tyne Stecklein Cheerleader
Ray Siegle Stunt Driver
Steve Gehrke Script Supervisor
Jake Swallow Stunts
Erik Holmberg Executive In Charge Of Production
Jeremy Fry Stunt Driver
John Ross Sound Re-Recording Mixer
Thomas Jones ADR Editor, Dialogue Editor
Ellis Williams Bailiff
Will Schaub Referee
Jimmy Hart Stunts
Danielle E. Hawkins Cheerleader (1989)
Mandy Kowalski Stunts
Michael Owen Stunt Driver
Tom Reta Art Direction
Dan Brown Stunt Double
Steve Cantamessa Sound Mixer
Jennifer Gibgot Producer