Brett Gelman Willy
Isla Fisher Maggie (voice)
Sofía Vergara Dolores the Couch (voice)
Dennis Quaid Birdwatcher
Will Ferrell Reggie (voice)
David Herman Underbite Pound Dog (voice)
Jamie Foxx Bug (voice)
Jimmy Tatro Finn the Rottweiler (voice)
Josh Gad Gus (voice)
Will Forte Doug
Rob Riggle Rolf (voice)
Greta Lee Bella (voice)
Laurence Chavez Stunt Coordinator
Randall Park Hunter (voice)
Greg Hayden Editor
David Rennie Editor
Nancy Nugent Title Supervising Sound Editor
Louis Leterrier Producer
Kevin Waterman Stunt Double
Jamie Demetriou Chester (voice)
Phil Morris Bubsy (voice)
Jaquita Ta'le Afghan Hound (voice)
Stephen E. Hagen First Assistant Director
Keith Brooks Steve
Ryan Dinning Mailman
Harvey Guillén Shitstain (voice)
Hannah Alline Emma’s Mom
Rebecca Carfagna Casting
Hedy Nasser Carly
Phil Lord Producer
Christopher Miller Producer
Karri Farris Makeup Department Head
Alexandra Ficken Jenna's Friend
Stephanie Dunnam Woman Gardening
Andrea Laing Jenna's Friend
Leila Nicotera Visual Effects Producer
Alonzo Ward Old Man in Park
Jade Fernandez Doug's Girlfriend
Lisa Magee Set Costumer
Dan Perrault Writer, Dr. Hagen
Jason Billington Visual Effects Supervisor
Lisa Rodgers Post Production Supervisor
Tim Orr Director of Photography
Daniel DiPrima Music Editor
Deadra Moore Old Woman in Park
Erik Feig Producer
Jessica Switch Executive Producer
Mike Horton Foley Artist
Garrett Hines Emma’s Dad
Maxine Gervais Colorist
Gabriella Garcia Teen Girl
Josh Greenbaum Director
Taylor Towery Stunts
AJ Bernard Liam
Christopher S. Aud Sound Re-Recording Mixer, Sound Supervisor
Julia Hammer Executive Producer
Jon Title Sound Designer
Dara Taylor Original Music Composer
Charity Cervantes Jenna
Tinashe Kajese Cathy (uncredited)
Britain Illingworth-Cramer Set Designer
Russell Tyrrell Special Effects Supervisor
J.J. George Music Editor
Aven Lotz Emma
Jay Meagher Sound Mixer
Katie Ballard Hair Department Head
Brian Friedman Set Designer
Kara Kimmer Set Costumer
Aaron Osborne Production Design
Andrew Nicolas Starr Teenage Boy
Nancy St. John Visual Effects Producer
Meagan Lewis Casting