Vince Vaughn (David), Cobie Smulders (Emma), Chris Pratt (Brett), Britt Robertson (Kristen), Jack Reynor (Josh), Bobby Moynihan (Aleksy), Andrzej Blumenfeld (Mikolaj) more..., Simon Delaney (Victor), Dave Pattenden (Adam), Adam Chanler-Berat (Viggo), Amos VanderPoel (Taylor), Matthew Daddario (Channing), Jessica Williams (African American Spa Worker), Leslie Ann Glossner (Young Romantic Girl), Derrick Arthur (Young Boozer), Michael Oberholtzer (Bag Boy), Sébastien René (Ryan), Kevin Hopkins (Andrew Johansson), Stephen Ellis (18th Century Professor), Zachary Hernandez (Brett's Four Year-Old), Erin Gerasimovich (Brett's Six Year-Old), Kyle Sutton (Brett's Eight Year-Old), Lynda Gravatt (Judge Logan), Starla Benford (Personal Care Assistant), Damian Young (Attorney Williams), Finnerty Steeves (Loan Officer #1), Don Guillory (Loan Officer #2), Richard Poe (Loan Officer #3), Jessica Abo (Reporter #1), Logan Crawford (Reporter #2), Alice Gainer (Reporter #3), Darin Guerrasio (Customer #1), Jonah Nathan (Employee), Bruce Altman (Mass Action Attorney), Alexander Flores (Teenage Clerk), Matthew J. Walters (Stroller Salesman), Stephanie Berry (Straightforward Nurse), Joseph Tudisco (Sports Store Owner), Akim Black (Scalper), Kate Dalton (Sabrina) and others.

Ken Scott (Screenplay), Martin Petit (Original Story), André Rouleau (Producer), Jon Brion (Original Music Composer), Eric Alan Edwards (Director of Photography), Priscilla Nedd-Friendly (Editor), Jeanne McCarthy (Casting) more..., Ray Angelic (Executive Producer), Scott Mednick (Executive Producer), Mark Sourian (Executive Producer), Ida Random (Production Design), Mark Newell (Art Direction), Sara Parks (Set Decoration), Melissa Toth (Costume Design), Martin Petit (Screenplay), Ken Scott (Original Story), Joe Bucaro III (Stunt Coordinator), Scott Millan (Sound Re-Recording Mixer), Greg P. Russell (Sound Re-Recording Mixer), Per Hallberg (Supervising Sound Editor), Jared Burke (Stunts), Mike Burke (Stunts), Harry Corrigan (Stunts), Nicholas Decegli (Stunts), Leigha Hancock (Stunts), Chad Hessler (Stunts), Don Hewitt Jr. (Stunts), Curtis Lyons (Stunts), John Patrick McLaughlin (Stunts), Dee Morris (Stunts), Mick O'Rourke (Stunts), Brian Smyj (Stunts), Joseph Urban (Stunts), Ray Angelic (Unit Production Manager), Holly S. Rymon (Unit Production Manager), Doug Torres (First Assistant Director), Justin Ritson (Second Assistant Director), Holly Bario (Co-Producer), Maxime Vanasse (Associate Producer), Jeannette Kim (Assistant Art Director) and others.