Kevin Hart Snowball (voice)
Tara Strong Additional Voices (voice)
Dee Bradley Baker Additional Voices (voice)
Luke Dunn Gielmuda Sound Effects Editor
Ellie Kemper Katie (voice)
Steve Coogan Ozone / Reginald (voice)
Cinco Paul Writer
Jim Cummings Additional Voices (voice)
Louis C.K. Max (voice)
Jenny Slate Gidget (voice)
Lake Bell Chloe (voice)
Jason Marsden Additional Voices (voice)
Albert Brooks Tiberius (voice)
Brian T. Delaney Additional Voices (voice)
Wouter van Herwerden Sound Recordist
Laraine Newman Additional Voices (voice)
Bobby Moynihan Mel (voice)
Dana Carvey Pops (voice)
Jaime Camil Fernando (voice)
Jess Harnell Additional Voices (voice)
John Kassir Additional Voices (voice)
Eric Stonestreet Duke (voice)
José Más Huertas Animation
Bob Bergen Additional Voices (voice)
Bill Farmer Additional Voices (voice)
Ken Daurio Writer
Hannibal Buress Buddy (voice)
Mickie McGowan ADR Voice Casting
Alexandre Desplat Original Music Composer
Mona Marshall Additional Voices (voice)
Jim Ward Additional Voices (voice)
Gary Rizzo Sound Re-Recording Mixer
Chris Renaud Director, Norman (voice)
Dennis Leonard Supervising Sound Editor
Jan Rabson Additional Voices (voice)
Brian Lynch Writer
Michael Miller ADR & Dubbing
Frank Rinella Foley Editor
Kenneth Karman Music Editor
Danny Mann Additional Voices (voice)
Ronni Brown Foley
Jim Likowski Foley Editor
Mac Smith Sound Effects Editor
Eric Bradley Musician
David Acord Sound Re-Recording Mixer
Chris Meledandri Producer
Cheryl Nardi Dialogue Editor
Julien Soret Animation Director
Carlos Sotolongo ADR & Dubbing
Amy Pawlowski Digital Intermediate
Sean England Foley
Diane Howard Publicist
Yarrow Cheney Co-Director
Bill Higley ADR & Dubbing
Brett Hoffman Associate Producer
Tony Siruno Character Designer
Conrad Pope Orchestrator
Dave Rosenbaum Script Supervisor
Albert Barba Cunill Animation
Miguel Jiron Storyboard Artist
Richard Gould Foley Editor
Sandra Echeverría Maria (voice)
David Slusser Foley Editor
Jeannine Berger Post Production Supervisor
Dominique Monfery Animation Director
Kevin Peaty Animation
Mark Graham Orchestrator
Samson Neslund Assistant Sound Editor
Michael Beattie Tattoo (voice)
Kelly Lake Production Coordinator
Janet Healy Producer
Joel Iwataki Scoring Mixer