 | Jacob Tremblay als Max |
 | Brady Noon als Thor |
 | Keith L. Williams als Lucas |
 | Molly Gordon als Hannah |
 | Midori Francis als Lily |
 | Will Forte als Max's Dad |
 | Josh Caras als Benji |
 | Retta als Lucas' Mom |
 | Lil Rel Howery als Lucas' Dad |
 | Millie Davis als Brixlee |
 | Enid-Raye Adams als Thor's Mom |
 | Michaela Watkins als Saleswoman |
 | Sam Richardson als Officer Sacks |
 | Chance Hurstfield als Atticus |
 | Vanessa Przada als Kissing Party Girl |
 | Lina Renna als Annabelle |
 | Benita Ha als Soren's Mom |
 | Maja Aro als Driving Woman |
 | Matt Ellis als Mr. K |
 | Jaiven Natt als Kissing Party Boy |
 | Sean Quan als Choir Child #1 |
 | Vicky Lambert als Shopping Woman |
 | Esabella Anna Karena Strickland als Nora |
 | Izaac Wang als Soren |
 | Nevis Unipan als Scab Kid |
 | Christian Darrel Scott als Marcus |
| Jocelyne Gaumond als Food Court Patron |
 | Nolen Dubuc als Theatre Kid #5 |
 | Aaron Paul Stewart als Dickless Pledge |
 | James Hibbard als Old Man |
 | Craig Haas als Clerk |
| Ian Hawes als Parent |
 | Kane Nelson als Condiment Man |
 | Jaron Melanson als Pot Smoking Frat Bro |
 | Cody Davis als Bullied Scab Kid |
| Andrew Anderson als Taxi Driver |
| Everett Adams als Scab Leader |
| Marlee Grace Becker als French Fry Girl |
| Jonah Peacock als Theatrical Scab Kid |
| Vanessa Young als Breastfeeding Mom |
| Haven Rockwell O'Sullivan als Theatre Kid #2 |
 | Rian McCririck als Older Boy #1 |
 | Zoriah Wong als Scout |
 | Stephen Merchant als Claude (uncredited) |
 | Macie Juiles als Taylor |
 | Mariessa Portelance als Max's Mom |
 | Alexander Calvert als Daniel |
| Christian Domínguez als Other Frat Guy |
 | Cameron Hilts als Another Frat Guy |
| Kevin Fortin als Thinning Hair Frat Bro |
| Yusuf A. Ahmed als Large Frat Brother |
| Marcia Moulton als Security Guard (Mall) |
| Carla Marie Kelley als Toddler's Mother (Mall) |
| Jon Layo als Janitor (Mall) |
| Weston Thomas als Toddler (Mall) |
| Aydan Topacio als Scooter Kid |
| Keona Nahanee als Random Kid (Chorus) |
 | William 'Big Sleeps' Stewart als Delivery Man |
 | Keoni Rebeiro als Bully 1 |
| Arianna Elizabeth Savady als Small Girl |
| Leo Polanski als Tall Skinny Boy |
| Victoria Hunter als Theater Kid |
| Eva Krishnamurti als Theater Kid |
| Matthew Mintisis als Theater Kid |
| Sophie van Blokland als Theater Kid |
| Scott Augustine als Cart Pusher (Mall Dancer) / Thor Skeleton |
 | Natasha Davidson als Woman with Stroller |
 | Zac Siewert als Max Skeleton |
| Mark Samuels als Lucas Skeleton |
| Joanne Pesusich als ND Skeleton |
| Daniela Dib als ND Skeleton |
| Taylor Greening als ND Skeleton |
| Craig Hempsted als ND Skeleton |
| Charley Pacaud als ND Skeleton |
 | Yuvraj Kalsi als Crying Boy |
| Marc Joseph als Carlos |
 | Audrey Smallman als Locker Girl |
 | Paul Becker als Animatronic Dancer #1 |
 | Leah McKesey als Animatronic Dancer #3 |
| Matteo Christopher Pellizzari als Henry |
 | Lee Eisenberg als Leigh Eisenberg |
 | Tasha Reign als Stepmom |
| Gene Stupnitsky | Director |
| Rich Delia | Casting Director |
| Lee Eisenberg | Producer |
| Evan Goldberg | Producer |
| Seth Rogen | Producer |
| James Weaver | Producer |
| Nathan Kahane | Executive Producer |
| Jeremy Stanbridge | Production Design |
| Jonathan Furmanski | Director of Photography |
| Josh Fagen | Executive Producer |
| Daniel Gabbe | Editor |
| Lyle Workman | Original Music Composer |
| Jonah Hill | Executive Producer |
| Sean Goojha | Art Direction |
| Victoria Pearson | Set Decoration |
| Lee Eisenberg | Writer |
| Gene Stupnitsky | Writer |
| John Powers Middleton | Executive Producer |
| Brady Fujikawa | Executive Producer |
| Kelli Konop | Co-Producer |
| Carla Hetland | Costume Design |
| Michelle Kuznetsky Silverman | Music Supervisor |
| Josh Hauca | Production Manager |
| Florian Halbedl | Second Assistant Director |
| Dan Miller | First Assistant Director |
| Beth Stelling | Associate Producer |
| John Phillips | Associate Producer |
| Patti Henderson | Script Supervisor |
| Ed Araquel | Still Photographer |
| Jon Joffin | Second Unit Director of Photography |
| Kjersten Gallagher | Art Department Coordinator |
| Melina Neufeld | Graphic Designer |
| Tara Arnett | Assistant Art Director |
| Candise Paul | Assistant Set Decoration |
| Jonathan Drover | Property Master |
| Junichi Hosoi | "A" Camera Operator |
| Daryl Hartwell | "A" Camera Operator |
| Ian Kerr | "B" Camera Operator |
| Christopher C. Fisher | "B" Camera Operator |
| Peter Mulholland | Boom Operator |
| Gilles Maillet | Boom Operator |
| Chris Duesterdiek | Production Sound Mixer |
| Donald Painchaud | Production Sound Mixer |
| Todd Lapp | Gaffer |
| Nima Ghavami | Rigging Gaffer |
| Paul Benjamin | Special Effects Coordinator |
| Barb Nixon | Assistant Costume Designer |
| Margaret Schliessler | Assistant Costume Designer |
| Rena Campbell | Costume Supervisor |
| Amy Hetland | Set Costumer |
| Michael John Bugera | Set Costumer |
| Lisa Love | Key Makeup Artist |
| Myles Lennig | Location Manager |
| Terry Brooks | Location Scout |
| Mark Soderberg | Assistant Location Manager |
| David Konkin | Assistant Location Manager |
| Debera Barager | Production Accountant |
| Tara Mews | Production Coordinator |
| Colleen Bolton | Local Casting |
| Maureen Webb | Local Casting |
| Sandra-Ken Freeman | Extras Casting |
| Katherine Brodsky | Unit Publicist |
| Peter Grace | Construction Coordinator |
| Darla Chibi | Transportation Coordinator |
| Jeff Schwingenschloegl | Transportation Captain |
| Tavis York | Transportation Co-Captain |
| Paul Zucker | Additional Editor |
| Chris Talson | Assistant Editor |
| Richard Ziegler | Music Editor |
| Nicole LaLoggia | Post Production Supervisor |
| Scott Sanders | Supervising Sound Editor |
| Gabriel J. Serrano | Sound Re-Recording Mixer |
| David E. Fluhr | Sound Re-Recording Mixer |
| Colin Rogers | ADR Mixer |
| Kevin Zimmerman | Sound Editor |
| Terri Douglas | ADR Voice Casting |
| Ellen Heuer | Foley Artist |
| Noel Vought | Foley Artist |
| Nick Neutra | Foley Supervisor |
| Jacob McNaughton | Foley Mixer |
| Andrew Karr | Visual Effects Supervisor |
| Perry Robertson | Supervising Sound Editor |
| Tucker Meek | Loop Group Coordinator |
| Dan Clarke | Co-Producer |
| Jeffery Aro | Stunt Coordinator |
| Maja Aro | Stunt Coordinator |
| Taryn Roberts | Stunt Double |
| Maya Macatumpag | Stunt Double |
| Krista Longhurst | Stunt Double |
| Crystal Dalman | Stunt Double |
| Paul Becker | Choreographer |
| Irma Leong | Stunt Double |
| Heath Stevenson | Stunt Double |
| Angela Pineau | Art Department Assistant |
| Jonathan Peter Fill | Set Dresser |
| Jesse Daniel Phillips | Lead Set Dresser |
| Lucas Parry | Set Dresser |
| Tanya Nahal | Set Dresser |
| Eben Norman | Set Dresser |
| Matt O'Mahoney | Assistant Property Master |
| Mara Cain | Assistant Property Master |
| Kasha Toolsee | Assistant Property Master |
| Aaron Haesler | First Assistant "A" Camera |
| Braden Batsford | First Assistant "A" Camera |
| Scott Antifave | First Assistant "B" Camera |
| Nadia Baptista | Second Assistant "A" Camera |
| Frankie Sharpe | First Assistant "B" Camera |
| David Kurvers | Digital Imaging Technician |
| Derek Heidt | Drone Operator |
| Duane Bradley | Drone Operator |
| Jason Toth | Drone Pilot |
| Jeff Patterson | Drone Pilot |
| Donald Mensah | Sound Assistant |
| Caitlin Norman | Sound Assistant |
| Marc Nolet | Key Grip |
| Martin Oicle | Best Boy Grip |
| Trevor Williams | Dolly Grip |
| Anthony de Weerdt | Dolly Grip |
| Melissa Beaupre | Grip |
| Namowan Kirby | Grip |
| Will O'Brian | Grip |
| Miguel Gelinas | Key Rigging Grip |
| Nicole Sinclair | Rigging Grip |
| Jo Riley | Costume Coordinator |
| Jody Leanne Petford | Truck Costumer |
| Tanya Hudson | Key Makeup Artist |
| Brittany Isaacs | First Assistant Makeup Artist |
| Danielle Fowler | First Assistant Makeup Artist |
| Karly Paranich | First Assistant Makeup Artist |
| Sandy Lindala | Special Effects Makeup Artist |
| Anji Bemben | Key Hair Stylist |
| Lilia Afsahi | First Assistant Hairstylist |
| Lynnea Board | First Assistant Hairstylist |
| Barbara Mercer | First Assistant Accountant |
| Bobby O'kane | Payroll Accountant |
| Dylan Jenkinson | Assistant Production Coordinator |
| Kate Austin | Assistant Production Coordinator |
| Sarah Lemmon | Second Second Assistant Director |
| Lea de Witt | Third Assistant Director |
| Cynthia Dryka | Third Assistant Director |
| Lynda Schmit | Studio Teacher |
| Gary Wardberg | Studio Teacher |
| Cindy Barwin | Studio Teacher |
| Mike Sorochuk | Construction Foreman |
| Peter Sysoev | Scenic Artist |
| Tracey Motherwell | Security |
| David Okropiridze | Security |
| Rahni Gill | Craft Service |
| Ernie Jackson | Second Unit Director |
| Sharia Lynn Davis | Assistant Editor |
| Malissa Hallenbeck | Post Production Accountant |
| Brady Cohan | Music Programmer |
| Thomas Ma | Assistant Director |
| Lauro Chartrand | Stunts |
