Matthew Goode
— Ben
Toni Collette
— Catherine
Fionnula Flanagan
— Mrs. Tridek
Michael Smiley
— Gertz
Suzanne Clément
— Dr. Julie Bouchard
Andreas Apergis
— Samsonov
Jadyn Malone
— Maya 8 yr old
Nathaly Thibault
— Reception Guest
Anton Gillis-Adelman
— Maurice
Jordan Poole
— Luke
Megan Harte O'Kelly
— Maya
Vincent Hoss-Desmarais
— Henry Morin
Tyrone Benskin
— Dr. Metcalfe
Brent Skagford
— Teacher Duggins
Cat Lemieux
— Female Scientist #1
Owen Bruemmer
— Ben 12 years old
Emanuel Hoss-Desmarais
— Male Scientist #2
Anik Matern
— Miss Griffin
Xavier Loyer
— Andre
Cora McQuinn
— Catherine 12 years old
Jude Beny
— Aunt Libby
Ethan Caminsky
— Luke 6 & 8 years old
Jose Luis Figueroa
— Mexican Mariachi #2