Why Him?

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

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