 | Charlize Theron als Marlo Moreau |
 | Mackenzie Davis als Tully |
 | Ron Livingston als Drew Moreau |
 | Mark Duplass als Craig |
 | Asher Miles Fallica als Jonah Moreau |
 | Lia Frankland als Sarah Moreau |
 | Elaine Tan als Elyse |
 | Gameela Wright als Laurie |
 | Tattiawna Jones als Violet |
 | Stormy Ent als Shasta |
 | Maddie Dixon-Poirier als Emmy |
 | Bella Star Choy als Greta |
| Dominic Good als Dash |
 | Joshua Pak als Dallas |
 | Colleen Wheeler als Dr. Smythe |
 | Em Haine als Barista |
 | Marceline Hugot als Coffee Shop Customer |
| Jess Tolon als Princess |
 | Katie Hayashida als Running Girl |
| Steven Roberts als Teacher |
 | Elfina Luk als Hospital Employee |
 | Xantha Radley als Mrs. Marvish |
 | Michael Patrick Lane als Hot Bartender |
 | John Shaw als Doctor |
 | Candus Churchill als Nurse |
| Jennifer March als Delivery Room Nurse |
| Anne-Marie Madden als Anesthesiologist |
 | Kiff VandenHeuvel als Weather Man |
 | Trish Allen als Distant Relative |
| Kitty Crystal als Bartender (uncredited) |
 | Shade Rupe als Bar Patron (uncredited) |
| Jason Reitman | Director |
| Jason Blumenfeld | Executive Producer |
| Stan Thomas | Executive Producer |
| Jason Cloth | Executive Producer |
| Louise Roper | Set Decoration |
| Vanessa Giles | Makeup Department Head |
| Ali Jazayeri | Executive Producer |
| A.J. Dix | Producer |
| Beth Kono | Producer |
| Stefan Grube | Editor |
| Anastasia Masaro | Production Design |
| Jason Reitman | Producer |
| Helen Estabrook | Producer |
| Eric Steelberg | Director of Photography |
| Craig Humphries | Art Direction |
| Andrew Pollack | Executive Producer |
| Paul Tennyson | Executive Producer |
| Charlize Theron | Producer |
| David Gendron | Executive Producer |
| Aieisha Li | Costume Design |
| Dale Wells | Executive Producer |
| Aaron L. Gilbert | Producer |
| Robert A. Pandini | Hair Department Head |
| Diablo Cody | Producer |
| Mason Novick | Producer |
| Maki Takenouchi | Art Direction |
| Ron McLeod | Executive Producer |
| Karin Wiesel | Set Decoration |
| Nicholas Podbrey | Special Effects Makeup Artist |
| Andria Spring | Co-Executive Producer |
| Rob Simonsen | Original Music Composer |
| Perry Robertson | Supervising Sound Editor |
| Lexi Koome | Visual Effects Coordinator |
| Werner Pretorius | Special Effects Makeup Artist |
| Erica Mills | Associate Producer |
| Steven Thibault | Co-Executive Producer |
| Kristen Kiyan | Key Makeup Artist |
| Michael Barry | Sound Re-Recording Mixer |
| Chris Duesterdiek | Production Sound Mixer |
| Scott Sanders | Supervising Sound Editor |
| Tom Ozanich | Sound Re-Recording Mixer |
| Mark Allen | Sound Effects |
| Caitlin Groves | Special Effects Makeup Artist |
| Barbara Jansen | Visual Effects Coordinator |
| Felix Fox | Special Effects Makeup Artist |
| Geoff Redknap | Special Effects Makeup Artist |
| Tara Conley | Visual Effects Producer |
| Robin Day | Key Makeup Artist |
| Kevin Zimmerman | Sound Editor |
| Dave Morley | Visual Effects Supervisor |
| Corinne Clark | Casting |
| Jennifer Page | Casting |
| Ron McLeod | Unit Production Manager |
| Jason Blumenfeld | First Assistant Director |
| Rhonda Taylor | Second Assistant Director |
| Melissa R. Stubbs | Stunt Coordinator |
| Lisa Chandler | Stunt Double |
| Melissa R. Stubbs | Stunt Double |
| Sharon Simms | Stunt Double |
| Sharlene Royer | Stunt Double |
| Chad Sayn | Stunt Driver |
| Peter Wilke | "A" Camera Operator |
| Craig Anderl | "B" Camera Operator |
| Kieran Humphries | First Assistant "A" Camera |
| Simon England | First Assistant "B" Camera |
| Joshua Marcoux | Second Assistant "A" Camera |
| Sean Cooke | Second Assistant "B" Camera |
| Mitch Bax | Digital Imaging Technician |
| Kimberly French | Still Photographer |
| Ian Seabrook | Underwater Director of Photography |
| Tony Wyman | Boom Operator |
| Candice Todesco | Sound Assistant |
| John Dekker | Gaffer |
| Brett Bird | Best Boy Electric |
| Dave Askey | Key Grip |
| Richard LaBossiere | Key Rigging Grip |
| Kayla Meadows | Art Department Assistant |
| Paula Negritto | Assistant Costume Designer |
| Tim Storvick | Special Effects Coordinator |
| Stephanie Rossel | Script Supervisor |
| Jessica Cameron | Casting Associate |
| Marley Poniedzielnik | Casting Assistant |
| Sheriz Tambanillo | Casting Assistant |
| Sara Brown | Extras Casting |
| Dan Carr | Location Manager |
| Ian Doig | Animal Coordinator |
| Andria Spring | Post Production Supervisor |
| Armando J. Sanchez | Assistant Editor |
| Michael Perricone | Additional Sound Re-Recording Mixer |
| Brian Tarlecki | Sound Mix Technician |
| Phil Lee | Sound Mix Technician |
| Nick Neutra | Foley Supervisor |
| John Guentner | Foley Mixer |
| Arno Stephanian | Foley Mixer |
| Noel Vought | Foley Artist |
| Monique Reymond | Foley Artist |
| Ginger Geary | Foley Artist |
| Jason Oliver | ADR Mixer |
| Nick South | Music Editor |
| Diablo Cody | Screenplay |
| David Scott Thomson | Third Assistant Director |
| Darrin Murphy | Rigging Grip |
| Dusten Otter | Rigging Grip |
| Tricia Halloran | Music Supervisor |
| Nathan Orloff | Additional Editor |
| Adriene Wyse | Camera Loader |
| Jeff Harvey | Rigging Gaffer |
| Dave Askey | Best Boy Grip |
| David Kershaw | Dolly Grip |
| Ryan Fehr | Dolly Grip |
| Mark Newland | Grip |
| Kai Paulson | Grip |
| Andrew McAloon | Grip |
| Jamie Walsh | Grip |
| Denis Marcotte | Grip |
| Mischa Brueckmer | Rigging Grip |
| Jake Pipunic | Rigging Grip |
| Melina Neufeld | Assistant Art Director |
| Grant Van Der Slagt | Set Designer |
| Jamie Westbury | Set Dresser |
| Karen Maconachie | Set Dresser |
| Andrew Camp | Set Dresser |
| Jake Lamare | Set Dresser |
| Oscar Lopez Alvear | Set Dresser |
| Alexis Wheeler | Set Dresser |
| Noni Peck | Property Master |
| Courtney Sjogren | Assistant Property Master |
| Chelsea Wallace | Property Buyer |
| Jennifer Dawson | Assistant Costume Designer |
| Janice Devries | Costume Coordinator |
| Dawn Climie | Set Supervisor |
| Katie Lawrence | Costume Assistant |
| David 'Pops' Fukakusa | Construction Coordinator |
| John Chaschowy | Greensman |
| Rohan Lyal | Greensman |
| Ashley Sawyer | Third Assistant Director |
| Rhona Williscroft | Production Supervisor |
| Rhona Williscroft | Production Coordinator |
| Dale Ross Braun | Production Accountant |
| Shawn O'Hearn | Transportation Captain |
| Shawn O'Hearn | Transportation Coordinator |
| Doug March | Transportation Co-Captain |
| Danika Dinsmore | Studio Teacher |
| Tamara Gagarin | Post Production Supervisor |
| Mark Allen | Sound Editor |
| Jodi Michelle Pynn | Stunt Double |
