 | Chloë Grace Moretz als Maude Garrett |
 | Nick Robinson als Stu Beckell |
 | Beulah Koale als Anton Williams |
 | Taylor John Smith als Walter Quaid |
 | Callan Mulvey als John Reeves |
 | Benedict Wall als Tommy Dorn |
 | Byron Coll als Terrence Taggart |
 | Joe Witkowski als Bradley Finch |
 | Liam Legge als Baby |
| Asher Bridle als Baby |
 | Ryan Cooper als WWII Cartoon Narrator (voice) (uncredited) |
| Kit Fraser | Director of Photography |
| Roseanne Liang | Writer |
| Max Landis | Writer |
| Tom Eagles | Editor |
| Roseanne Liang | Director |
| Joe Howes | Visual Effects |
| Mahuia Bridgman-Cooper | Original Music Composer |
| Gary Mackay | Production Design |
| Jenna Ackerman | Music Coordinator |
| Amy Barber | Sound Designer |
| Emile de la Rey | Music Editor |
| Mary Ramos | Music Consultant |
| Karyn Rachtman | Music Supervisor |
| Fred Berger | Producer |
| Tom Hern | Producer |
| Kelly McCormick | Producer |
| Hamish Gough | First Assistant Director |
| Sophie Calver | Second Assistant Director |
| Olivier Campana | Third Assistant Director |
| Brian Kavanaugh-Jones | Producer |
| Jean-Luc De Fanti | Executive Producer |
| Paris Kasidokostas Latsis | Executive Producer |
| Terry Dougas | Executive Producer |
| Annie Marter | Executive Producer |
| Sandra Yee Ling | Executive Producer |
| Belindalee Hope | Co-Producer |
| Alexander Borgers | Co-Producer |
| Kristin Seth | Costume Design |
| Gabrielle Jones | Makeup Designer |
| Gabrielle Jones | Hair Designer |
| Gabrielle Jones | Prosthetic Designer |
| Stephen Unterfranz | Visual Effects Supervisor |
| Steven McKendry | Visual Effects Producer |
| Tim Wong | Stunt Coordinator |
| Chelsea Ellis Bloch | Casting |
| Marisol Roncali | Casting |
| Stu Turner | Local Casting |
| Nick Buckton | Supervising Sound Editor |
| Lucy O'Connor | Stunt Double |
| Robert Young | Stunt Double |
| George Hennah | "B" Camera Operator |
| George Hennah | First Assistant "A" Camera |
| Ben Rowsell | First Assistant "A" Camera |
| Jonathan Bowes-Onions | Second Assistant "B" Camera |
| Jake Stanton | Second Assistant "B" Camera |
| Nick Willoughby | Second Assistant "A" Camera |
| David Hammond | First Assistant "B" Camera |
| David Steel | First Assistant "B" Camera |
| Jamieson Montgomery | Second Assistant "B" Camera |
| Michael Urban | Digital Imaging Technician |
| James Elliston | Digital Imaging Technician |
| Isaac Spedding | Digital Imaging Technician |
| Fred Enholmer | Sound Mixer |
| Gerry Parke | Boom Operator |
| Sam Jellie | Gaffer |
| Nicklaus Pretscherer | Best Boy Electric |
| Kayne Asher | Key Grip |
| Craig Johnson | Best Boy Grip |
| Mickaele Evans | Grip |
| Barbara Tee | Assistant Costume Designer |
| Miriam Silvester | Costume Illustrator |
| Nat Van Halle | Costume Standby |
| Dianne Ensor | Key Makeup Artist |
| Dianne Ensor | Key Hair Stylist |
| Rachel Johanson | Hairstylist |
| Rachel Johanson | Makeup Artist |
| Pilar Alegre | Hairstylist |
| Pilar Alegre | Makeup Artist |
| Dan Perry | Special Effects Makeup Artist |
| Dan Perry | Prosthetic Makeup Artist |
| Jason Durey | Special Effects Supervisor |
| Tanya Bidois | Special Effects Coordinator |
| Karla Wallace | Production Manager |
| Andrew Marshall | Production Coordinator |
| Alana Henderson | Assistant Production Coordinator |
| Tameka Sowman Vahatau | Production Assistant |
| Jaya Beach-Robertson | Production Assistant |
| Keely Meechan | Production Runner |
| Dakota Zemke-White | Production Runner |
| Marc Tyron | Production Accountant |
| Jonathan Harding | First Assistant Accountant |
| Laura Miles | Script Supervisor |
| Joe Fisher | Casting Associate |
| Sara Stone | Casting Assistant |
| Sinead Fitzgerald | Casting Assistant |
| Jacque Drew | Dialect Coach |
| Aaron Gibson | Transportation Captain |
| Jacqueline Lee Geurts | Stunts |
| Kawhia Chambers | Stunts |
| Riley Phillips-Harris | Stunts |
| Mark Stephen | Art Direction |
| Mike Becroft | Standby Art Director |
| Dylan Coburn | Storyboard Artist |
| Mela Blackwell | Property Master |
| Tane Jarrett | Set Decoration |
| Courtney Mayhew | Unit Publicist |
| Kirsty Griffin | Still Photographer |
| Jennifer Raoult | Still Photographer |
| Geoff Short | Still Photographer |
| Tom Hern | Second Unit Director |
| Andrew McGeorge | Second Unit Director of Photography |
| Greg Junovich | Sound Supervisor |
| Gareth Van Niekerk | Sound Effects Editor |
| Jordan Smith | Foley |
| Sam Moore | Foley |
| Jeffrey Roy | ADR Mixer |
| Beau Emory | ADR Mixer |
| Anneka Fris | Animation Supervisor |
| Tim Chaproniere | Sound Re-Recording Mixer |
| Alexis Feodoroff | Sound Re-Recording Mixer |
| Phil Heywood | Additional Sound Re-Recording Mixer |
| Clare Burlinson | Colorist |
| Jason Astley | VFX Artist |
| Kay Hoddy | Rotoscoping Artist |
