Tobey Maguire Adult Tim / Narrator (voice)
Hans Zimmer Original Music Composer
Steve Buscemi Francis Francis (voice)
Alec Baldwin Boss Baby (voice)
Lisa Kudrow Mom (voice)
Walt Dohrn Thanks, Photographer (voice)
Chris Sanders Thanks
Jimmy Kimmel Dad (voice)
Conrad Vernon Thanks, Eugene (voice)
Sheila E. Musician
Dean DeBlois Thanks
Christopher Flick Foley Editor
Mike Mitchell Thanks
Tom McGrath Director, TV Chef (voice)
Chris Miller Thanks, Captain Ross (voice)
Michael McCullers Writer
David Soren Thanks, Jimbo (voice)
David P. Smith Additional Writing
Jeffrey Katzenberg Thanks
Ennio Torresan Jr. Storyboard
Kirk DeMicco Thanks
Miles Bakshi Tim (voice)
Gavin Greenaway Conductor
Edie Mirman Big Boss Baby (voice)
Randy K. Singer Foley Mixer
James McGrath Wizzie / Elvis Impersonator (voice)
James Ryan Editor, Thanks, Story Bear (voice)
Mary Blee Second Film Editor
Anna Noakes Musician
Paul N.J. Ottosson Sound Re-Recording Mixer, Supervising Sound Editor
Robin Harlan Foley Artist
Christi Soper Hilt Casting
Nerses Gezalyan Foley Mixer
Leslee Feldman Casting
Rachel Bolt Musician
Amy Kane Foley Artist
Steve Mair Musician
Eric Bell Jr. Triplets (voice)
Nicholas Bucknall Musician
Paul Kegg Musician
Christopher T. Welch Dialogue Editor
Milton E. Rodriguez-Rios CG Supervisor
Tina Guo Musician
Sarah Monat Foley Artist
Robert Troy Dialogue Editor
Bill Damaschke Thanks
Mark Berrow Musician
Brian Hopkins Airport Security Guard (voice)
Bob Davies Animation
Matt Dunkley Conductor
ViviAnn Yee Staci (voice)
Ramsey Ann Naito Producer
Roger Linley Musician
Paul Stevenson Foley Artist
Greg ten Bosch Sound Effects Editor
Gina Shay Thanks
Steve Mazzaro Original Music Composer
Marla Frazee Novel
Dan Krall Additional Effects Development
John Sanacore Foley Mixer
David Yanover Post-Production Manager
Gabriel Portnof CG Supervisor
Margaret A. Decker Software Engineer
Ludovic Bouancheau Animation Supervisor
Jo Goldsmith-Eteson Musician
Frank E. Abney III Animation
Mollie Gamo Casting Associate
Geoff Foster Score Engineer
Greg Whittaker Animation
Andrew Harkins Animation
Phil Barrie Sound Effects Editor
Òscar Senén Orchestrator