Matthew Goode as Ben

Toni Collette as Catherine

Fionnula Flanagan as Mrs. Tridek

Michael Smiley as Gertz

Suzanne Clément as Dr. Julie Bouchard

Andreas Apergis as Samsonov

Jadyn Malone as Maya 8 yr old

Nathaly Thibault as Reception Guest

Anton Gillis-Adelman as Maurice

Jordan Poole as Luke

Megan O'Kelly as Maya

Vincent Hoss-Desmarais as Henry Morin

Tyrone Benskin as Dr. Metcalfe

Brent Skagford as Teacher Duggins

Cat Lemieux as Female Scientist #1

Owen Bruemmer as Ben 12 years old

Emanuel Hoss-Desmarais as Male Scientist #2

Anik Matern as Miss Griffin

Xavier Loyer as Andre

Cora McQuinn as Catherine 12 years old

Jude Beny as Aunt Libby

Ethan Caminsky as Luke 6 & 8 years old

Jose Luis Figueroa as Mexican Mariachi #2