Isla Fisher Sarah Hatoff (voice)
Stephen Root Grampa (voice)
Ricky Gervais Flippy (voice)
Pete Davidson Petey the Cat (voice)
Scott Menville 3D Guy (voice)
Kate Micucci Dippy (voice)
John Eric Bentley Living Spray Factory (voice)
Gary A. Hecker Foley Supervisor
Cheri Oteri Mayor (voice)
Laraine Newman Scientist (voice)
Kelly Stables Harold (voice)
Billy Boyd Seamus (voice)
Lucas Hopkins Calderon Li'l Petey (voice)
Lil Rel Howery Chief (voice)
Maggie Wheeler Nurse (voice)
Sarah Gold Amburgey Storyboard Artist
Christi Soper Hilt Casting
Cam Clarke Indifferent Shop (voice)
Poppy Liu Butler (voice)
Gary Rizzo Sound Re-Recording Mixer
Luenell Milly (voice)
Melissa Villaseñor Realtor (voice)
Arran Jay Baker Lead Animator
Peter Hastings Writer, Dog Man / Officer Knight / Harold's House (voice), Director
Kimberly Bailey Gym (voice)
Rahnuma Panthaky Doctor (voice)
Max Koch Rocco (voice)
Warren Sroka Apartment Building (voice)
Jeff Gross Foley Mixer
Brian Hopkins Editor, Big Jim (voice)
Georgia Simon Hospital (voice)
Mike Horton Foley Artist
Tom Howe Original Music Composer
Adam Rosette Storyboard Artist
Percy Rustomji Surfer (voice)
Karen Foster Robot (voice), Producer
Hanna Kim Storyboard Artist
Jeremy Bernstein Storyboard Artist
Yung Gravy Mr. Whiskers (voice), Songs
Pearce Bunting Cheesesteak Guy (voice)
Skip Stellrecht Ice Cream Building (voice)
Jana Schmieding Janet (voice)
Dav Pilkey Book, Executive Producer
Aziz Kocanaogullari Lead Animator
Kevin McCann Grump (voice)
Carder Scholin Storyboard Artist
Daniel Tal Additional Storyboarding
Anthony Zierhut Head of Story
Nate Wragg Production Design
Tim Gibson Animation Supervisor
Cassandra Fanning Digital Supervisor
Shabrayia Cleaver Associate Producer
Marceline Tanguay Storyboard Artist
Camryn Del Vecchio Additional Storyboarding
Valentin Beaumont Visual Effects Technical Director
Scott Cullen Head of Layout
Sonny Onorati Radio Building (voice)
Chris Heltzel Storyboard Artist
Daria Khil Additional Storyboarding
Gaël Matchabelli Lead Animator
Andrea Ferrara Lead Animator
Bianca Margiotta Associate Producer
Emma Porter Lead Animator
Christopher Zibach Art Direction