Kevin Hart Snowball (voice)
Tara Strong Additional Voices (voice)
Jason Marsden Additional Voices (voice)
Jim Cummings Additional Voices (voice)
Ellie Kemper Katie (voice)
Jenny Slate Gidget (voice)
Jaime Camil Fernando (voice)
Dee Bradley Baker Additional Voices (voice)
Steve Coogan Ozone / Reginald (voice)
Bob Bergen Additional Voices (voice)
Albert Brooks Tiberius (voice)
Lake Bell Chloe (voice)
Eric Stonestreet Duke (voice)
Ken Daurio Writer
Bill Farmer Additional Voices (voice)
Hannibal Buress Buddy (voice)
Alexandre Desplat Original Music Composer
Dana Carvey Pops (voice)
Brian Lynch Writer
Laraine Newman Additional Voices (voice)
John Kassir Additional Voices (voice)
Sandra Echeverría Maria (voice)
Louis C.K. Max (voice)
Bobby Moynihan Mel (voice)
Jess Harnell Additional Voices (voice)
Julien Soret Animation Director
Glenn McCoy Additional Storyboarding
Cinco Paul Writer
Mickie McGowan ADR Voice Casting
Chris Meledandri Producer
Eric Favela Story Artist
Chris Renaud Director, Norman (voice)
Adam Van Wyk Additional Storyboarding
Brett Hoffman Associate Producer
Gary Rizzo Sound Re-Recording Mixer
Cal Brunker Additional Storyboarding
Danny Mann Additional Voices (voice)
Jim Ward Additional Voices (voice)
Serguei Kouchnerov Story Artist
Mark O'Hare Story Artist
Brian T. Delaney Additional Voices (voice)
John Holmquist Additional Storyboarding
Mona Marshall Additional Voices (voice)
Jan Rabson Additional Voices (voice)
Dennis Leonard Supervising Sound Editor
Simon Rich Other
Eric Bradley Musician
Frank Rinella Foley Editor
Robert Taylor Associate Producer
Janet Healy Producer
Jonathan del Val Animation Director
David Feiss Story Artist
Ken Schretzmann Editor, Additional Voices (voice)
Michael Miller ADR & Dubbing
Ludovic Roz Supervising Animator
Mark Graham Orchestrator
Gilad Carmel Associate Editor
Luke Dunn Gielmuda Sound Effects Editor
Jean-Pascal Beintus Orchestrator
Eric Guillon Production Design, Character Designer
Nicolas Bauduin Supervising Animator
Andrea Giro Animation
Bill Higley ADR & Dubbing
Richard Gould Foley Editor
Thierry Noblet Lighting Supervisor
Michael Beattie Tattoo (voice)
Ronni Brown Foley Artist
Yarrow Cheney Co-Director
Samson Neslund Assistant Sound Editor
Sean England Foley Artist
David Acord Sound Re-Recording Mixer
Jeannine Berger Post Production Supervisor