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)
Bob Bergen Additional Voices (voice)
Lake Bell Chloe (voice)
Steve Coogan Ozone / Reginald (voice)
Albert Brooks Tiberius (voice)
Eric Stonestreet Duke (voice)
Hannibal Buress Buddy (voice)
Ken Daurio Writer
Laraine Newman Additional Voices (voice)
Bill Farmer Additional Voices (voice)
Dana Carvey Pops (voice)
Brian Lynch Writer
Bobby Moynihan Mel (voice)
John Kassir Additional Voices (voice)
Alexandre Desplat Original Music Composer
Sandra Echeverría Maria (voice)
Louis C.K. Max (voice)
Jess Harnell Additional Voices (voice)
Mickie McGowan ADR Voice Casting
Julien Soret Animation Director
Glenn McCoy Additional Storyboarding
Cinco Paul Writer
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)
Brian T. Delaney Additional Voices (voice)
Serguei Kouchnerov Story Artist
Mark O'Hare Story Artist
John Holmquist Additional Storyboarding
Mona Marshall Additional Voices (voice)
Dennis Leonard Supervising Sound Editor
Jan Rabson Additional Voices (voice)
Simon Rich Other
Robert Taylor Associate Producer
Janet Healy Producer
Michael Miller ADR & Dubbing
Jonathan del Val Animation Director
David Feiss Story Artist
Ken Schretzmann Editor, Additional Voices (voice)
Frank Rinella Foley Editor
Ludovic Roz Supervising Animator
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
Eric Bradley Musician
Mark Graham Orchestrator
Richard Gould Foley Editor
Thierry Noblet Lighting Supervisor
Ronni Brown Foley Artist
Tony Siruno Character Designer
Michael Beattie Tattoo (voice)
Yarrow Cheney Co-Director
Samson Neslund Assistant Sound Editor
Sean England Foley Artist
Conrad Pope Orchestrator
Bill Higley ADR & Dubbing