Will Forte Gordon Lighthouse (voice)
Jane Fonda Grandmamah (voice)
Liza Koshy Margo (voice)
Tom McGrath Thanks
Eduardo Franco Trevin (voice)
Colman Domingo Arthur Gillman (voice)
Lana Condor Ruby Gillman (voice)
Toni Collette Agatha Gillman (voice)
Annie Murphy Chelsea Van Der Zee (voice)
Julien Bocabeille Animation
Sam Richardson Uncle Brill (voice)
Bill Díaz Animation
Nicole Byer Janice (voice)
Jaboukie Young-White Connor (voice)
Echo Kellum Doug (voice)
Brian Chumney Supervising Sound Editor
Pam Brady Writer
Mike Mitchell Executive Producer
Jordan Matter School Principal (voice)
Gary Rizzo Sound Re-Recording Mixer
Paul Tibbitt Thanks
Ramona Young Bliss (voice)
Randy Thom Confetti Cannon (voice), Sound Designer
Emma Chamberlain Reporter (voice)
Ricardo Hurtado Student #1 / Student #10 (voice)
Kirk DeMicco Director
Caleb Pierce Student #3 (voice)
Nicole Holofcener Thanks
Craig Kellman Character Designer
Anthony Hodgson Animation Supervisor
Joel Crawford Thanks
Christi Soper Hilt Casting
Lynnanne Zager Phone Voice (voice)
James Ryan Thanks
Jana Vance Foley Artist
Guillermo Willie Real Character Designer
Jeff Williams Animation
Leff Lefferts Supervising Sound Editor, Sound Re-Recording Mixer
Tiffany Wu Student #7 (voice)
Chris Manning Foley Editor
JP Sans Animation
Hal Rosenfeld Orchestrator
Faryn Pearl Co-Director
Karen Foster School Librarian (voice)
Shaun Farley Sound Effects Editor
Mark Edwards Thanks
Mark Roennigke Animation Supervisor
Alexandre Puvilland Visual Development
Blue Chapman Sam Gillman (voice)
Ronni Brown Foley Artist
C. Jin Im Lighting Supervisor
Januel Mercado Thanks
Paul Schoeni Visual Development
John Wong Animation
Mark Newport Effects Supervisor
Nick Fletcher Additional Editor
Nedy Acet Animation
Guillermo Careaga Animation Supervisor
Tyler Phillips Lead Animator
Brian Menz Animation
Nico Marlet Character Designer
David C. Hughes Sound Effects Editor
Dan Wagner Animation
Anthony De Francesco Dialogue Editor
Sheri Ozeki Music Editor
John Han Assistant Editor
Ares Deveaux Animation
Timothy Lamb Character Designer
Joseph Izzo Associate Producer
Rick Hromadka Sound Designer
Ryan Page Animation
Michelle Mendenhall Editor