Bella Thorne
Katie Price
Patrick Schwarzenegger
Charlie Reed
Rob Riggle
Jack Price
Quinn Shephard
Morgan
Ken Tremblett
Mark Reed
Suleka Mathew
Dr. Paula Fleming
Jenn Griffin
Barb Reed
Nicholas Coombe
Garver
Tiera Skovbye
Zoe Carmichael
Norm Misura
Fred / Night Clerk
Austin Anozie
Owen
Alex Pangburn
Wes
Guy Christie
Swim Coach
Paul McGillion
Blake Jones
Donny Lucas
Engineer
Jerome Yoo
Geeky Friend #1
Kenneth Tynan
Geeky Friend #2
Ava Dewhurst
7-Year-Old Katie
Audrey Smallman
7-Year-Old Morgan
Jaeda Lily Miller
7-Year-Old Zoe Carmichael
Ray Boulay
Swim Scout
Nick Watson
Guitarist
Michelle Choi-Lee
Nurse
Jacqueline King
Jessica Rollins
Allyson Grant
Theresa Price
Darla Pitkanen
Zoe's Friend #1
Dean Petriw
Tommy / Young Boy
Kris Neufeld
Ice Cream Customer
Farris Tyab
Man
Kiarra Goldberg
Patient
Chris Sheilds
Principal
Kiefer O'Reilly
Young Charlie (uncredited)
Jeff Reyes
Swim Team Member (uncredited)
Tom Vanderkam
Band - Lead Vocalist (uncredited)
Yobdee
Zoe's Friend (uncredited)