Toni Collette Agatha Gillman (voice)
Jane Fonda Grandmamah (voice)
Will Forte Gordon Lighthouse (voice)
Colman Domingo Arthur Gillman (voice)
Sam Richardson Uncle Brill (voice)
Lana Condor Ruby Gillman (voice)
Eduardo Franco Trevin (voice)
Nicole Byer Janice (voice)
Januel Mercado Thanks
Annie Murphy Chelsea Van Der Zee (voice)
Liza Koshy Margo (voice)
Joel Crawford Thanks
Ramona Young Bliss (voice)
Mike Mitchell Executive Producer
Tom McGrath Thanks
Echo Kellum Doug (voice)
Pam Brady Writer
Jaboukie Young-White Connor (voice)
Michael McCullers Writer
Randy Thom Confetti Cannon (voice), Sound Designer
Emma Chamberlain Reporter (voice)
Nicole Holofcener Thanks
Kirk DeMicco Director
Paul Tibbitt Thanks
Gary Rizzo Sound Re-Recording Mixer
James Ryan Thanks
Lynnanne Zager Phone Voice (voice)
Jana Vance Foley Artist
Michelle Mendenhall Editor
Christi Soper Hilt Casting
Ricardo Hurtado Student #1 / Student #10 (voice)
Nico Marlet Character Designer
Shir Baron Animation
Shaun Farley Sound Effects Editor
Caleb Pierce Student #3 (voice)
David C. Hughes Sound Effects Editor
Craig Kellman Character Designer
John Hill Animation
Stan Seo Visual Development
Blue Chapman Sam Gillman (voice)
Brian Menz Animation
Ivan Oviedo Animation
Ronni Brown Foley Artist
Ares Deveaux Animation
Maarten Lemmens Animation
Nicolas Prothais Animation
JP Sans Animation
Rémi Salmon Visual Development
Jeff Williams Animation
Garrett O'Neal Animation
Stephanie Economou Conductor, Original Music Composer
Brian C. Brown Writer
Brian Chumney Supervising Sound Editor
Philippe Le Brun Animation
Greg Whittaker Animation
Andrew Harkins Animation
Steven Hornby Animation
Jesse Aclin Character Designer
Elliott DiGuiseppi Writer
Karen Foster School Librarian (voice)
Leff Lefferts Sound Re-Recording Mixer, Supervising Sound Editor
Jorge García Animation
Chris Swanson Thanks
Christopher Gonzalez Animation
Prashanth Cavale Lead Animator
Kelly Cooney Cilella Producer
Dave Walvoord Visual Effects Supervisor
David Lisbe Animation
Chris Manning Foley Editor
Derek Cheung Effects Supervisor
Nick Fletcher Additional Editor
Ariel Chisholm Lighting Supervisor