 | Aaron Stanford als Oscar Grubman |
 | Sigourney Weaver als Eve Grubman |
 | John Ritter als Stanley Grubman |
 | Bebe Neuwirth als Diane Lodder |
 | Robert Iler als Charlie |
 | Adam LeFevre als Phil |
 | Peter Appel als Jimmy - Doorman |
 | Alicia Van Couvering als Daphne Tisch |
 | Kate Mara als Miranda Spear |
 | Ron Rifkin als Professor Tisch |
 | Paul Butler als Professor Sherman |
| Hope Chernov als Samantha Steadman |
 | Debbon Ayer als Jean |
| Michael Connors als Man in Bar |
| Theo Kogan als Woman in Bar |
| Harry Kellerman als Tea Waiter |
| Reade Kelly als Mr. Smith |
 | Danielle Di Vecchio als Mrs. Smith |
| John Feltch als Mr. Bob Spear |
 | Henri Binje als Le Gardin Waiter |
| Lee Brock als Charlie's Mom |
| Giselle Berk als Thanksgiving Party Guest |
| Steven Disomma als Thanksgiving Party Guest |
| Charles Fombrun als Thanksgiving Party Guest |
| Joyce Grodinsky als Thanksgiving Party Guest |
| Joan Roland als Thanksgiving Party Guest |
| Lou Vitale als Thanksgiving Party Guest |
| Penny Winick als Thanksgiving Party Guest |
 | Marcia DeBonis als Abigail (uncredited) |
 | Seth Gabel als Mike (uncredited) |
 | Ebonie Smith als Betsy (uncredited) |
| Gary Winick | Director |
| Niels Mueller | Writer |
| Caroline Kaplan | Executive Producer |
| Hubert Taczanowski | Director of Photography |
| Jonathan Sehring | Executive Producer |
| Gary Winick | Producer |
| Susan Littenberg | Editor |
| Heather McGowan | Writer |
| Dolly Hall | Producer |
| Alexis Alexanian | Producer |
| Celeste Jackson | Line Producer |
| John Sloss | Executive Producer |
| Jake Abraham | Associate Producer |
| Gary Winick | Story |
| Heather McGowan | Story |
| Niels Mueller | Story |
| Anthony Gasparro | Production Design |
| Suzanne Schwarzer | Costume Design |
| Renaud Pion | Original Music Composer |
| Linda Cohen | Music Supervisor |
| Ellen Lewis | Casting |
| Marcia DeBonis | Casting |
| Jennifer Euston | Casting |
| Elaine Kavanagh | Second Assistant Director |
| Michael G. Johnson | First Assistant Director |
| Gregory Routt | Location Manager |
| Anthony Pettine | Script Supervisor |
| Anthony Veader | Hair Designer |
| Evelyne Noraz | Makeup Designer |
| Chad Davidson | Gaffer |
| William Kozy | Production Sound Mixer |
| Ira Spiegel | Sound Editor |
| Marlena Grzaslewicz | Sound Editor |
| Mariusz Glabinski | Sound Editor |
| Dominick Tavella | Sound Re-Recording Mixer |
| Reilly Steele | Sound Re-Recording Mixer |
| Robert Fernandez | Sound Re-Recording Mixer |
| Terri Jackson | Production Coordinator |
| Charles Bellafiore | Property Master |
| Sara Parks | Art Direction |
| Shelly Federman | Assistant Art Director |
| Stacey Saltzman | Assistant Costume Designer |
| Ma Kalaadevi Ananda | Makeup Artist |
| Chad Davidson | "B" Camera Operator |
| Maddy Lederman | "C" Camera Operator |
| Maddy Lederman | Gaffer |
| Niels Mueller | Additional Camera |
| Paul Bonner | Assistant Camera |
| Maya Allison | Assistant Camera |
| Thomas Caleshu | Electrician |
| Theresa Dillon | Still Photographer |
| Tuffy Questell | Extras Casting |
| Lilah Park | Additional Editing |
| Rachel Biles | First Assistant Editor |
| David Kausch | Assistant Editor |
| Allison Eve Zell | Assistant Editor |
| Dan Brown | Assistant Editor |
| Bobby Johanson | ADR Engineer |
| Leslie Bloome | Foley Artist |
| Jason Candler | Foley Mixer |
| Bruce Kitzmeyer | Foley Editor |
| Joe Gawler | Colorist |
| Jane Tolmachyov | Colorist |
| Alison LaCourse | Music Editor |
| John M. Davis | Music Editor |
| Joe Rangel | Music Coordinator |
