Dennis Quaid Birdwatcher
Isla Fisher Maggie (voice)
Jamie Foxx Bug (voice)
Greta Lee Bella (voice)
Will Ferrell Reggie (voice)
Will Forte Doug
Sofía Vergara Dolores the Couch (voice)
Josh Gad Gus (voice)
Brett Gelman Willy
Randall Park Hunter (voice)
Harvey Guillén Shitstain (voice)
Jimmy Tatro Finn the Rottweiler (voice)
Louis Leterrier Producer
Phil Lord Producer
Rob Riggle Rolf (voice)
Jamie Demetriou Chester (voice)
David Herman Underbite Pound Dog (voice)
Keith Brooks Steve
Phil Morris Bubsy (voice)
Christopher Miller Producer
Hannah Alline Emma’s Mom
Jon Title Sound Designer
Hedy Nasser Carly
Tim Orr Director of Photography
Garrett Hines Emma’s Dad
Gabriella Garcia Teen Girl
Beau Borders Sound Re-Recording Mixer
Aven Lotz Emma
Aditya Sood Producer
Stephanie Dunnam Woman Gardening
Josh Greenbaum Director
Christopher S. Aud Sound Re-Recording Mixer, Sound Supervisor
Dan Perrault Producer, Dr. Hagen, Writer
Randy Torres Sound Effects Editor
Erin Cochran Art Direction
Charity Cervantes Jenna
Jade Fernandez Doug's Girlfriend
Erik Feig Producer
Sabrina Plisco Editor
Dara Taylor Original Music Composer, Vocals
Laurence Chavez Stunt Coordinator
Deadra Moore Old Woman in Park
Karri Farris Makeup Department Head
Jaquita Ta'le Afghan Hound (voice)
Andrea Laing Jenna's Friend
Greg Hayden Editor
Meagan Lewis Casting
Alonzo Ward Old Man in Park
Lisa Rodgers Post Production Supervisor
Tinashe Kajese Cathy (uncredited)
Aaron Osborne Production Design
Jay Meagher Sound Mixer
Stephen E. Hagen First Assistant Director
Alexandra Ficken Jenna's Friend
Dexter Masland James
Nancy Nugent Title Supervising Sound Editor
Jason Billington Visual Effects Supervisor
Jack De Sanz Munchkin (voice)
Mike Horton Foley Artist
Kevin Waterman Stunt Double
Ryan Dinning Mailman
Taylor Towery Stunts
Jessica Switch Executive Producer
Mike Dolphy Riley's Dad
Romy Itzigsohn Costume Design
Daniel DiPrima Music Editor
Micah Kaneshiro Storyboard Artist
Nikki Baida Executive Producer
Julia Hammer Executive Producer
Katie Ballard Hair Department Head
Rebecca Carfagna Casting
Britain Illingworth-Cramer Set Designer