Aimee Teegarden
— Amanda
Benjamin Hollingsworth
— Derrick
Frances Flanagan
— Lori
Robyn Bradley
— Grace
P. Lynn Johnson
— Constance
Eva Tavares
— Effie
Scarlett Tupper
— Young Amanda
Jesse Moss
— Craig
Jennifer Oleksiuk
— Tiff (as Jen Oleksiuk)
Drew Henderson
— Samuel
Grant Vlahovic
— Dan
Lily Yawson
— Gladys
Laura Adkin
— Young Grace
Stefania Indelicato
— Competition Announcer
Madeleine Kelders
— Competition Judge
Robert Egger
— Tom
Sophie Sedlacek
— Young Lori
Avril Nickolls
— Young Constance
Alozie LaRose
— Teen Boy
Cadence Compton
— Little Girl
Kazuko Arthur
— Lacey
David Russell James
— Grieving Dad