 | Nicole Kidman als Becca Corbett |
 | Aaron Eckhart als Howie Corbett |
 | Dianne Wiest als Nat |
 | Miles Teller als Jason |
 | Tammy Blanchard als Izzy |
 | Sandra Oh als Gabby |
 | Giancarlo Esposito als Auggie |
 | Jon Tenney als Rick |
 | Stephen Mailer als Kevin |
 | Mike Doyle als Craig |
 | Roberta Wallach als Rhonda |
 | Patricia Kalember als Peg |
 | Ali Marsh als Donna |
 | Yetta Gottesman als Ana |
 | Colin Mitchell als Sam |
 | Deidre Goodwin als Reema |
 | Julie Lauren als Debbie |
 | Rob Campbell als Bob |
 | Jay Wilkison als Gary |
| Ben Hudson als Sammy |
 | Salli Saffioti als Lori |
 | Ursula Parker als Lilly |
| Phoenix List als Danny |
 | Sandi Carroll als Abby |
| Teresa Kelsey als Mary |
| Brady Parisella als Caden |
| Sara Jane Blazo als Jason's Mother |
 | Marylouise Burke als Librarian |
 | Jennifer Roszell als Sotheby's Receptionist |
| Derek Blakeney als Security guard (uncredited) |
| Ed Kalegi als Sotheby's Buyer (uncredited) |
| Jake Levy als Jason's Prom Buddy (uncredited) |
| Shannon McGann als Cook-out guest (uncredited) |
| Chris Werkmeister als Arthur (uncredited) |
 | Shoshanna Withers als Izzy's Friend (uncredited) |
| John Cameron Mitchell | Director |
| David Lindsay-Abaire | Screenplay |
| Per Saari | Producer |
| Dean Vanech | Producer |
| Leslie Urdang | Producer |
| Gigi Pritzker | Producer |
| Nicole Kidman | Producer |
| Anton Sanko | Music |
| Joe Klotz | Editor |
| Dash Shaw | Thanks |
| Frankie DeMarco | Director of Photography |
| Sunday Rose Kidman-Urban | Thanks |
| Bill Lischak | Executive Producer |
| Linda McDonough | Executive Producer |
| Gemma O'Neill | Associate Producer |
| Caroline Jaczko | Co-Producer |
| Geoff Linville | Co-Producer |
| Brian O'Shea | Executive Producer |
| Daniel Revers | Executive Producer |
| Sig De Miguel | Casting |
| Stephen Vincent | Casting |
| Kalina Ivanov | Production Design |
| Ola Maslik | Art Direction |
| Diana Salzburg | Set Decoration |
| Ann Roth | Costume Design |
| Kyra Panchenko | Makeup Department Head |
| Mary Fellows | Set Dresser |
| Jonathan Huggins | On Set Dresser |
| Ron Bochar | Sound Re-Recording Mixer |
| Rick Canelli | ADR Recordist |
| Benjamin Cheah | Supervising Sound Editor |
| Marko Costanzo | Foley Artist |
| Jan McLaughlin | Production Sound Mixer |
| Jonathan Schwartz | Set Costumer |
| David Lindsay-Abaire | Theatre Play |
| Colleen Callaghan | Hair Department Head |
| Robin Day | Hairstylist |
| Linda De Andrea | Key Hair Stylist |
| Amy Duskin | Key Makeup Artist |
| Cassandra Keating | Makeup Artist |
| Angela Levin | Key Makeup Artist |
| Joseph Whitmeyer | Key Hair Stylist |
| Colleen Callaghan | Hair Designer |
| Neil Daly | First Assistant Director |
| Patrick Huber | Second Assistant Director |
| Karen Kane | First Assistant Director |
| Thomas K. Lee | Second Assistant Director |
| David McWhirter | First Assistant Director |
| Tom Tobin | Second Second Assistant Director |
| Edward Drohan IV | Special Effects |
| Jared Burke | Stunt Double |
| Douglas Crosby | Stunt Coordinator |
| Shawnna Thibodeau | Stunt Double |
| Bryce Burke | Stunt Double |
| Jon Trosky | Stunt Driver |
