Cast & crew
Definitely, Maybe (2008)
Directed by Adam Brooks Written by Adam Brooks
Cast
| Abigail Breslin | Maya Hayes |
| Elizabeth Banks | Emily |
| Ryan Reynolds | Will Hayes |
| Isla Fisher | April |
| Rachel Weisz | Summer Hartley |
| Kevin Kline | Hampton Roth |
| Derek Luke | Russell McCormack |
| Liane Balaban | Kelly |
| Annie Parisse | Anne |
| Nestor Serrano | Arthur |
| Emily Wickersham | 1998 Intern |
| An Nguyen | Ad Exec |
| Daniel Eric Gold | Charlie |
| Kevin Corrigan | Rafael |
| Adam Brooks | Bookstore Owner |
| Matthew Mason | Headphone Guy |
| Adam Ferrara | Gareth |
| Rick Derby | Planet Ordon Visitor |
| Sakina Jaffrey | School Mom |
| Bob Wiltfong | School Dad |
| Ryder Chasin | Boy With Book |
| Fiona Lane | Angry Girl |
| Luis Arriaga | Luis |
| Dana Eskelson | Angry Girl's Mom |
| Melisa McGregor | Bartender |
| Stephen Richardson | Pollster |
| Orlagh Cassidy | Nurse |
| Josh Caras | 1994 Intern |
| Max Pomeranc | Campaign Worker |
| Robert Klein | Robert Klein |
| Gerard Bianco Jr. | High School Volunteer |
| Mel Rocco | High School Volunteer |
| Matt Flanders | Ring Salesman |
| Caryn Osofsky | Café Gitane Night Waitress |
| Kerri Kwinter | Bookstore Owner |
| Marc Bonan | Kevin |
| Alexie Gilmore | Olivia |
| Lauren Norman | Cocktail Server |
| Leif Riddell | Cab Driver |
| Amy Šafránková | Café Gitane Day Waitress |
| Dale Leigh | Bill Clinton |
| Blake Benitez | School Kid |
| Paulina Gerzon | School Kid |
| Victoria Goldsmith | School Kid |
| Dylan Hartigan | School Kid |
Crew
| Laura Rosenthal | Casting |
| Bobby Cohen | Executive Producer |
| Eric Fellner | Producer |
| Peter Teschner | Editor |
| Florian Ballhaus | Director of Photography |
| Liza Chasin | Executive Producer |
| Stephanie Carroll | Production Design |
| Adam Brooks | Director |
| Tim Bevan | Producer |
| Ali Farrell | Casting |
| Kerrie Smith | Hair Department Head |
| Clint Mansell | Original Music Composer |
| Sarah Beth Nelson | Stand In |
| Dominick Tavella | Sound Re-Recording Mixer |
| Robert Hein | Sound Re-Recording Mixer |
| Andrew D. Schwartz | Still Photographer |
| Nick Angel | Music Supervisor |
| Ellen Christiansen | Set Decoration |
| Michael Barosky | Production Sound Mixer |
| Robert Hein | Supervising Sound Editor |
| Glenfield Payne | Sound Effects Editor |
| Peter Rogness | Art Direction |
| Adam Brooks | Writer |
| Chris Bingham | Makeup Department Head |
| Rick Derby | First Assistant Editor |
| Jodi Domanic | Script Supervisor |
| Gary Jones | Costume Designer |
| Nancy Allen | Music Editor |
| Kerry Orent | Co-Executive Producer |
| Kirsten Lane | Music Consultant |