Catherine Zeta-Jones (Kate), Aaron Eckhart (Nick), Abigail Breslin (Zoe), Patricia Clarkson (Paula), Jenny Wade (Leah), Bob Balaban (Therapist), Brían F. O'Byrne (Sean) more..., Lily Rabe (Bernadette), Eric Silver (John), Arija Bareikis (Christine), Zoë Kravitz (Charlotte), John McMartin (Mr. Peterson), Celia Weston (Mrs. Peterson), Matthew Rauch (Ken), Katherine Sigismund (Ken's Wife), Dearbhla Molloy (Anna), Stephanie Berry (School principal Ellen Parker)

Carol Fuchs (Screenplay), Kerry Heysen (Producer), Sergio Aguero (Producer), Susan Cartsonis (Executive Producer), Bruce Berman (Executive Producer), Sandra Nettelbeck (Original Story), Stuart Dryburgh (Director of Photography) more..., Pip Karmel (Editor), Philip Glass (Music), Melissa Toth (Costume Design), Barbara Ling (Production Design), Ronna Kress (Casting), Mari-Jo Winkler (Unit Production Manager), Mari-Jo Winkler (Co-Producer), John Bissell (Music Supervisor), Leslie E. Rollins (Set Decoration), W. Steven Graham (Art Direction), Steven Kirshoff (Special Effects Supervisor), T.J. O'Mara (Production Sound Mixer), Edward Pisoni (Assistant Art Director), Glenn Newnham (Supervising Sound Editor), Glenn Newnham (Supervising Sound Effects Editor), Deirdre N. Williams (Costume Supervisor), Peter Soldo (Second Assistant Director), Suzana Peric (Music Editor), Joy Ellison (Dialect Coach), Barbara Harris (ADR Voice Casting), Jeffrey Wetzel (First Assistant Director), Leah Katznelson (Assistant Costume Designer), Chris Goodes (Sound Assistant), G. A. Aguilar (Stunt Coordinator), Barbara McNamara (Extras Casting), Marty Pepper (Visual Effects), Marty Pepper (Digital Intermediate Colorist), Bruce Emery (Dolby Consultant), Roger Savage (Sound Re-Recording Mixer), Courtney Bright (Casting Associate), Elisabeth Fry (Makeup & Hair), Cindy J. Williams (Makeup Artist), Todd Kleitsch (Key Makeup Artist) and others.