| Person | Type | Job | Role(s) |
|---|---|---|---|
 Keigo Higashino | Crew | Writing | Novel |
 Luc Besson | Crew | Production | Producer |
 Vincent Perez | Crew | Directing | Director |
 Ann Cherkis | Crew | Writing | Screenplay |
 Abeille Gélinas | Cast | Actress | Girl with Justin |
 Allan Yuk-lun Chou | Cast | ICU Doctor #3 | |
 Babs Chula | Cast | Actress | Psychiatrist |
 Bill Rowat | Cast | Actor | Teacher |
 Brendan Sexton III | Cast | Actor | Ethan |
 Bruce McKenzie | Cast | Actor | Patient #3 |
 Bruce Ramsay | Cast | Actor | Daniel Harpin |
 Catherine Colvey | Cast | Actress | English Teacher |
 Corey Sevier | Cast | Actor | Justin |
 David Duchovny | Cast | Actor | Dr. Benjamin Marris |
 Dawn Ford | Cast | Actress | ICU nurse #1 |
 Frank Fontaine | Cast | Actor | Ned - Hannah's Father |
 Jane Wheeler | Cast | Actress | Maggie Adams |
 Jay Brazeau | Cast | Actor | Doug Sullivan |
 Joanna Noyes | Cast | Actress | Elizabeth - Hannah's Mother |
 Kathleen Mackey | Cast | Actress | Gothic Librarian |
 Laurence Leboeuf | Cast | Actress | Amelia |
 Lili Taylor | Cast | Actress | Hannah Marris |
 Lois Dellar | Cast | Actress | Aunt |
 Lucinda Davis | Cast | Actress | Paige - Ben's Assistant |
 Lynne Adams | Cast | Actress | Resto Woman |
 Macha Grenon | Cast | Actress | Tara Corbett |
 Mariah Inger | Cast | Actress | ICU Nurse #2 |
Mel Downey | Cast | Actor | Neighbour Husband |
 Peter MacNeill | Cast | Actor | Dr. Christopher Bray |
 Renee Madeline Le Guerrier | Cast | Actress | Hospital Receptionist |
 Robert Higden | Cast | Actor | Waiter |
 Russell Yuen | Cast | Actor | ICU Doctor #2 |
 Steven Crowder | Cast | Actor | Classroom Boy |
 Susan Glover | Cast | Actress | Condescending Woman |
 Suzanna Lenir | Cast | Actress | ICU Nurse #3 |
 Una Kay | Cast | Actress | Neighbour Wife |
 Ashley Springer | Cast | Actor | Ian |
Brandon Blue | Cast | Taylor's boyfriend (uncredited) | |
 Millie Tresierra | Cast | Actress | Lindsay Porter |
 Olivia Thirlby | Cast | Actress | Samantha Marris |
 Trent Pardy | Cast | Actor | Ski Shop Salesman |
 Trisha LaFache | Cast | Actress | Taylor |
 Tristan D. Lalla | Cast | Actor | Fubu Boy |
Nick Kellis | Cast | Man Mourner | |
Nicole Braber | Cast | Actress | Female Patient |
 Julian Tassielli | Cast | Actor | ICU Doctor |
Linda Plamondon | Cast | Condescending Woman #2 | |
 Andrea Sadler | Cast | Actress | Condescending Woman #3 |
Ryan Tilson | Cast | Boy Mourner | |
Cory Fantie | Cast | Patient #2 | |
Dale Stuart Skinner | Cast | Priest | |
 Carl Crevier | Cast | Actor | Lindsay's Husband |
Henryk Vsakowski | Cast | Maggie's Husband | |
Li Li | Cast | Math Student | |
| Person | Type | Job | Role(s) |
