A dad forms a bitter rivalry with his daughter's young rich boyfriend.
You can now watch Why Him? online on the following streaming providers in the United States.
| Directing | John Hamburg | Director |
| Writing | Nicholas Stoller | Writer |
| Writing | Ian Helfer | Writer |
| Writing | John Hamburg | Writer |
| Writing | Jonah Hill | Story |
| Production | Daniel S. Levine | Producer |
| Production | Shawn Levy | Producer |
| Production | John Hamburg | Executive Producer |
| Art | Gary Warshaw | Art Direction |
| Art | Jan Pascale | Set Decoration |
| Production | Scott Robertson | Co-Producer |
| Costume & Make-Up | Leesa Evans | Costume Design |
| Production | James Franco | Executive Producer |
| Art | Lia Roldan | Set Decoration |
| Crew | Rand Geiger | Post Production Supervisor |
| Production | Georgia Kacandes | Executive Producer |
| Art | Eric Sundahl | Set Designer |
| Art | Aaron Becker | Title Designer |
| Production | Ben Stiller | Producer |
| Production | Jason Zorigian | Production Coordinator |
| Production | Ryan J. Shaw | Location Manager |
| Directing | Steve Gehrke | Script Supervisor |
| Editing | William Kerr | Editor |
| Production | Rachel Tenner | Casting |
| Art | Matthew Holt | Production Design |
| Art | Lori A. Balton | Location Scout |
| Production | Jonah Hill | Producer |
| Production | Nathan Kelly | Production Supervisor |
| Art | Traci Spadorcia | Set Decoration |
| Art | Jeff Markwith | Set Designer |
| Production | Kei Rowan-Young | Location Manager |
| Production | Charlene Lee | Casting Associate |
| Art | Tom Zawacki | Set Dresser |
| Camera | Kris Kachikis | Director of Photography |
| Costume & Make-Up | Marlon Mizrahi | Costume Design |
| Crew | Margo Hunt McKay | Driver |
| Crew | Kurt Bryant | Stunts |
| Crew | Sandra Lee Gimpel | Stunts |
| Lighting | Christopher Ferguson | Lighting Programmer |
| Crew | Garrett Warren | Stunt Coordinator |
| Crew | Kurt D. Lott | Stunt Coordinator |
| Editing | Dean Zimmerman | Editor |
| Sound | Theodore Shapiro | Original Music Composer |
