Why Him?

Jocelyn Marie as Steph's Friend (uncredited) Stevens Gaston as Keith (uncredited) Zoey Deutch as Stephanie Fleming Casey Wilson as Missy Pederman Steve Aoki as DJ Steve Aoki Katelyn Brooke as Kissing Woman (uncredited) Saul Preciado-Garcia as Peruvian Villager (uncredited) Jee Young Han as Marnie Dingle Steve Bannos as Burt Greg Worswick as Bartender Evan Seidlitz as Bartender (uncredited) Gene Simmons as Gene Simmons Toby Turner as Party Guest Ramy Youssef as Coder in Kitchen Harrison Bieker as Laird's Employee Tim Neff as Kissing Man (uncredited) Lucy Angelo as Gamer Girl (uncredited) Bryan Cranston as Ned Fleming James Franco as Laird Mayhew Zack Pearlman as Kevin Dingle Jimmy Badstibner as Fleming Company Employee Craig Hosking as Helicopter Pilot Isabel Dresden as Quirky Waitress (uncredited) Alex J. Joseph as Underwear Swimmer (uncredited) Emely von Oest as Ned's Friend (uncredited) Megan Mullally as Barb Fleming Cedric the Entertainer as Lou Dunne Paul Stanley as Paul Stanley Elon Musk as Elon Musk Bob Stephenson as Jerry Griffin Gluck as Scotty Fleming Steffen Dziczek as Applebee's Waiter George Kareman as Party Waiter Isabelle Menard as Party Guest (uncredited) Adam Devine as Tyson Modell Mary Pat Gleason as Joyce Melissa Graver as Applebee's Waitress Caleb Thomas as Scotty (uncredited) Kaley Cuoco as Justine (voice) Tangie Ambrose as Patty Dunne Richard Blais as Richard Blais Keegan-Michael Key as Gustav Andrew Rannells as Blaine Pederman Peter Criss as Peter Criss Juliette B. Reiss as Applebee's Waitress

Nathan Kelly Production Supervisor Jef Groff Stunt Driver Alex Chansky Stunts Ben Jenkin Stunt Double Kurt D. Lott Stunt Coordinator Jonah Hill Story, Producer Zach Hudson Stunts Jason Chu Stunt Double Ben Stiller Producer Kurt Bryant Stunts Georgia Kacandes Executive Producer Mark Vanselow Stunts Sera Trimble Stunts Tom Zawacki Set Dresser Sandra Lee Gimpel Stunts Lia Roldan Set Decoration Scott Robertson Co-Producer John Hamburg Director, Executive Producer, Story, Screenplay Rachel Tenner Casting Theodore Shapiro Original Music Composer Garrett Warren Stunt Coordinator James Franco Executive Producer Dan Levine Producer Chris Carnel Stunts Heba Thorisdottir Makeup Department Head Dean Zimmerman Editor Shawn Levy Producer Brandon Melendy Stunts Garrett Hammond Stunts Jan Pascale Set Decoration