Zac Efron Mike O'Donnell
Thomas Lennon Ned Gold
Matthew Perry Mike O'Donnell (Adult)
Michelle Trachtenberg Maggie O'Donnell
Chris W. Johnson Steadicam Operator, Camera Operator
Leslie Mann Scarlett O'Donnell
Brian Doyle-Murray Janitor
Melora Hardin Principal Jane Masterson
Rachele Brooke Smith Hammer Dancer
Tommy Dewey Roger
Nicole Sullivan Naomi
Kat Graham Jamie
Hunter Parrish Stan
Josie Loren Nicole
Laura Harris Atkinson Dialogue Editor
Thomas Jones ADR Editor, Dialogue Editor
Stuart F. Wilson Utility Stunts
Margaret Cho Mrs. Dell
Diana Maria Riva Judge
Collette Wolfe Wendy
Sterling Knight Alex O'Donnell
Larry Poindexter Dean
Margo Hunt McKay Driver
Jeffrey Greeley Camera Operator
Katrina Norman Cheerleader (1989)
Adam Shankman Producer
Jim Gaffigan Coach Murphy
Steve Kelso Stunt Driver, Stunt Double
Tiya Sircar Samantha
Zack Duhame Stunt Driver
Alyssa Kim Set Costumer
Allison Miller Scarlett (Teen)
Lorna Scott Secretary
Michael Keller Sound Re-Recording Mixer
Ed Ackerman School Cop
Toby Emmerich Executive Producer
Bubba Lewis Dorky Kid (Ned's Party)
Loren Lester Mike's Lawyer
Bruce Tanis Sound Effects Editor
Matt Berberi Stunts
Vanessa Lee Chester Cheerleader
Jesse Heiman Mascot
Linda Miller Female Janitor
Shelby Rabara Cheerleader (1989)
Perry Robertson Supervising Sound Editor
Mark Chadwick Stunts
Peter Staubli Sound Effects Editor
Dennis Scott Stunts
Steve Cantamessa Sound Mixer
Ray Siegle Stunt Driver
Jeanine Jackson Scarlet's Lawyer
Will Schaub Referee
Jeremy Fry Stunt Driver
Christopher Scott Hammer Dancer
Dan Brown Stunt Double
Lisa Beach Casting
Hugh Waddell Supervising Sound Editor
Tom Reta Art Direction
Tom Elliott Stunts
Melissa Ordway Lauren
Kimaree Long Dialogue Editor
Gregory Sporleder Ohio Scout
Dan Bell Stunt Double
Sarah Katzman Casting
Jason Filardi Writer
Lincoln Simonds Stunt Double
Kimberly Greene Makeup Department Head
Ellis Williams Bailiff
Keith Oney Guy in Crowd
Alina Andrei Stunts
Danielle E. Hawkins Cheerleader (1989)
Chuck Zlotnick Still Photographer