Astronaut

Richard Dreyfuss

Angus

Lyriq Bent

Jim

Colm Feore

Marcus

Krista Bridges

Molly

Art Hindle

Joe

Richie Lawrence

Barney

Graham Greene

Len

Joan Gregson

Frannie

Colin Mochrie

Interviewer

Jennifer Phipps

Alice

Brendan Flynn

Young Carer (uncredited)

Judy Marshak

Nurse Judy

Karen LeBlanc

Elisa

Mimi Kuzyk

Liz

Lori Hallier

Ventura Mission Control