17 Again Cast
The cast of 17 Again.
Zac Efron
as Mike O'Donnell

Zac Efron portrays the younger version of Mike O'Donnell, a man who magically transforms back to his 17-year-old self.

Leslie Mann
as Scarlett O'Donnell

Leslie Mann plays Scarlett O'Donnell, the estranged wife of Mike O'Donnell who he tries to reconnect with after his transformation.

Thomas Lennon
as Ned Gold

Thomas Lennon takes on the role of Ned Gold, the geeky and wealthy best friend of Mike O'Donnell.

Michelle Trachtenberg
as Maggie O'Donnell

Michelle Trachtenberg portrays Maggie O'Donnell, the teenage daughter of Mike O'Donnell.

Sterling Knight
as Alex O'Donnell

Sterling Knight plays Alex O'Donnell, the teenage son of Mike O'Donnell who struggles with self-confidence issues.

Matthew Perry
as Mike O'Donnell (Adult)

Matthew Perry represents the adult Mike O'Donnell, who gets the opportunity to revisit his youth after being transformed into his 17-year-old body.

Tyler Steelman
as Ned Gold (Teen)

Tyler Steelman appears as the teenage Ned Gold, who is depicted as Mike O'Donnell's high school best friend.

Allison Miller
as Scarlett (Teen)

Allison Miller plays the teenage version of Scarlett, Mike O'Donnell's high school sweetheart and future wife.

Adam Gregory
as Dom

Adam Gregory portrays Dom, a high school basketball star and rival to the younger Mike O'Donnell.

Hunter Parrish
as Stan

Hunter Parrish takes on the role of Stan, a high school bully who causes trouble for the younger Mike O'Donnell.

Mario Cassem
as Samir

Mario Cassem plays Samir, one of Ned Gold's geeky friends in high school.

Kat Graham
as Jamie

Kat Graham portrays Jamie, a high school student and friend of Ned Gold.

Tiya Sircar
as Samantha
Melissa Ordway
as Lauren
Melora Hardin
as Principal Jane Masterson
Brian Doyle-Murray
as Janitor
Josie Loren
as Nicole
Jim Gaffigan
as Coach Murphy
Randy Gordon
as Photographer
Collette Wolfe
as Wendy
Tommy Dewey
as Roger
Linda Miller
as Female Janitor
Lorna Scott
as Secretary
Kodi Kitchen
as Hostess
Ellis E. Williams
as Bailiff
Diana Maria Riva
as Judge
Jeff Snyder
as Waiter
Antonio Todd
as Referee (1989)
Angee Hughes
as Waitress
Ed Ackerman
as School Cop
Will Schaub
as Referee
Loren Lester
as Mike's Lawyer
Alexander George
as Kid in Hallway
Nicole Sullivan
as Naomi
Margaret Cho
as Mrs. Dell
Larry Poindexter
as Dean
Bubba Lewis
as Dorky Kid (Ned's Party)
Chris Valenti
as Syracuse Scout (1989)
G. Lane Hillman
as Kevin (1989)
Hope Riley
as Girl (Wyatt)
Jeanine Jackson
as Scarlet's Lawyer
Gregory Sporleder
as Ohio Scout
Keith Oney
as Guy in Crowd
Leonard Wu
as Kid (Office)
Liana Blackburn
as Cheerleader (1989)
Lindsay Taylor
as Cheerleader (1989)
Danielle E. Hawkins
as Cheerleader (1989)
Shelby Rabara
as Cheerleader (1989)
Katrina Norman
as Cheerleader (1989)
Tiana Brown Gandelman
as Cheerleader (1989)
Rhapsody Violetti
as Cheerleader (1989)
Taisha Monique Clark
as Cheerleader (1989)
Vanessa Lee Chester
as Cheerleader
Chanel Malvar
as Cheerleader
Tyne Stecklein
as Cheerleader
Galen Hooks
as Cheerleader
Kiara Ely
as Cheerleader
Mihran Kirakosian
as Cheerleader
Rachele Brooke Smith
as Hammer Dancer
Jesse Heiman
as Mascot
Dres Reid
as Cheerleader
Christopher Scott
as Hammer Dancer
Eric McCoy
as Hammer Dancer
Raymond Chacon
as Jazz
Megan Galiber
as Girl #2
Renée King
as ROTC Leader
Jordan Schatz
as Mr. Adams
Jaclyn Matfus
as Party Girl
Justin C. Todd
as Football Player
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