| Darsteller | Rolle |
|---|---|
| Mark Critch | Mike Critch (25) Father (26) |
| Benjamin Evan Ainsworth | Mark Critch (25) Young Mark (26) |
| Claire Rankin | Mary Critch (25) Mary (51) |
| Mark Ezekiel Rivera | Ritchie Perez (51) |
| Malcolm McDowell | Patrick 'Pop' Critch (24) Pop (27) |
| Colton Gobbo | Mike Critch Jr. (23) Mike Jr. (26) |
| Sophia Powers | Fox (25) |
| Petrina Bromley | Sister Margaret (11) Ms Fowler (8) |
| Daisy Harris | Tina (18) |
| Nora McLellan | Principal Sister Rose (15) |
| Richard Clarkin | Dick Dunphy (15) |
| Teigan Follett | Middle Fox (13) |
| Noah Hepditch | Gary (12) |
| Stephen Payette | Silver Fox (9) |
| Caroline Mangosing | Mrs. Perez (7) |
| Lawrence Barry | Mr. Chafe (7) |
| Nicole Underhay | |
| Eugene Sampang | Mr. Perez (5) |
| Pete Soucy | Officer Butt (5) |
| Rory Lambert | Mr. Byrne (5) |
| Ashley Dingwell | Amanda (5) |
| Rodrigo Fernandez-Stoll | Father Garcia (4) |
| Steve O'Connell | Fox Father (3) |
| Gordon Finley | Distinguished Man (3) |
| Jodi Larratt | Young Woman (3) |
| Kevin Cromwell | Kevin (3) |
| Nate Penney | Young Fox (2) Baby Fox |
| Michelle Lambert | Bus Driver (2) |
| Julia Halfyard | Choir Mom #1 Choir Member |
| Gabriel Moyes-Vaandering | Young Pop (2) |
| Mack Furlong | BIS Man 2 Bis Man Loyola |
| Amy House | Widow Alice Alice |
| Bob Winsor | Felon #2 Fighting Man #2 |
| Joe McGrath | Moose Poacher 2 Fighting Man #1 |
| River Codack | Millard McGinty (2) |
| Abra Whitney | Choir Mom #3 |
| Stephen Handrigan | Father Handrigan |
| Andrea Lane Gardner | Choir Nun #5 |
| Dylan Bodner | Cameraman |
| Kevin Noble | Mr. Mullins |
| Maya McNair | Cara |
| Lily Fournier | Jay |
| Angela Warren | Choir Mom #2 |
| Antoinette Fekete | Museum Guide |
| Rose Avoine-Dalton | Mouthy French Kid #1 |
| Walter Ferguson | Mouthy French Kid #2 |
| Devon Bryan | Al Capone |
| Heather Phillipps | Retirement Home Nurse |
| Alice Krige | Millicent Hearn |
| Chris Panting | French Policeman |
| Ann Connolly | Choir Nun #4 |
| Michelle Chippett | Choir Nun #3 |
| Jennifer Nakashima | Choir Nun #2 |
| Katie Sullivan | Choir Nun #1 |
| Joseph Chinaka | Audience Member |
| Mark McKinney | The Unfathomable Hudaro |
| Brian Dalton | Fisherman |
| Frank Holden | Bucky |
| Sherry Miller | Johanna Clarke |
| Chuck Herriott | Strange Man |
| Bruce Brenton | Protester |
| Colin Furlong | Local Reporter |
| Susan Kelsey | Gertie |
| Mack Barfoot | Mr. Murphy |
| Terry Ryan | Drunk Man |
| Wayne Pere | Man with Ice Cream Cone |
| Greg Malone | Father Moore |
| Rachel Selby | Young Rose |
| Jillian Hart | Old Nun |
| Bryony Fowler | Paula Fanning |
| Sarah Conway | Reporter |
| Sheilagh Guy | |
| Mark Whelan | BIS Man 1 |
| Beni Malone | Wacky Wesley |
| Tom Dunne | Moose Poacher 1 |
| Evan Mercer | Felon #1 |
| Richard Waugh | Brendan Critch |
| Claire Howse | Girl With Baton |
| Cassidy Barry | Parent |
| Cole Williams | Big Tom |
| Noah Perchard | Fabe |
| Matt Wright | Weatherman |
| Susan Lundrigan | Waiter |
| Andre Pant | Dr. Lee |
| Sara Conway | |
| Dana Puddicombe | Nurse |
| Justin Nurse | Hot Dad Paul |
| Ritche Perez | Melecio |
| Cheryl Power | Baby |
| Allison Walsh | Jenny |
| June Joseph Opina | Ron |
| Stephen Coombs | Tom Perrin |
| Dave Penny | John |
| Paul Warford | Amusement Park Worker |
| Kelly Russell | Accordion Musician |
| John Moyes | Older Doctor |
| George Masswohl | Priest |
| Andrew Vokey | Cop |
| Jay Baruchel | Scott Howell |