Cast & Crew zu Was passiert, wenn's passiert ist
| Jules | Cameron Diaz | |
| Holly | Jennifer Lopez | |
| Wendy | Elizabeth Banks | |
| Marco | Chace Crawford | |
| Skyler | Brooklyn Decker | |
| Rosie | Anna Kendrick | |
| Evan | Matthew Morrison | |
| Ramsey | Dennis Quaid | |
| Vic | Chris Rock | |
| Alex | Rodrigo Santoro | |
| Gary | Ben Falcone | |
| Davis | Joe Manganiello | |
| Gabe | Rob Huebel | |
| Craig | Thomas Lennon | |
| Patel | Amir Talai | |
| Janice | Rebel Wilson | |
| Kara | Wendi McLendon-Covey | |
| Himself | Dwyane Wade | |
| Herself | Whitney Port | |
| Herself | Megan Mullally | |
| Herself | Cheryl Cole | |
| Himself | Tyce Diorio | |
| Himself | Taboo | |
| Social Worker | Kim Fields | |
| Hutch Davidson | Jesse Burch | |
| Molly | Mimi Gianopulos | |
| Courtney | Genesis Rodriguez | |
| Lose It & Weep Host | Tom Clark | |
| J.J. | Taylor Kowalski | |
| Female Co-Worker | Aerli Austen | |
| Hotel Doctor | Katie Kneeland | |
| Ramsey's Friend | Kelley Hinman | |
| Ramsey's Friend | Jon Stafford | |
| Convention Organizer | Rhoda Griffis | |
| Agency Official | Elizabeth Becka | |
| Adoption Mom | Catherine Dyer | |
| Adoption Dad | Brian Bascle | |
| Regie |
Kirk Jones |
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| Buch |
Heidi Murkoff |
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| Drehbuch |
Shauna Cross Heather Hach |
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| Kamera |
Xavier Pérez Grobet |
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| Schnitt |
Michael Berenbaum |
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| Musik |
Mark Mothersbaugh |
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