James Caan Tim Lockwood (voice)
Benjamin Bratt Manny (voice)
Ariel Winter Additional Voices (voice)
Andy Samberg "Baby" Brent (voice)
Anna Faris Sam Sparks (voice)
Will Forte Joe Towne (voice)
Bill Hader Flint Lockwood (voice)
Chris McKenna Thanks
Neil Patrick Harris Steve (voice)
Mr. T Earl Devereaux (voice)
Bruce Campbell Mayor Shelbourne (voice)
Bob Bergen Additional Voices (voice)
Paul Eiding Additional Voices (voice)
Neil Flynn Weather News Network Producer (voice)
Lauren Graham Fran Lockwood (voice)
Lori Alan Additional Voices (voice)
Isabella Acres Additional Voices (voice)
Phil Lord Screenplay, Additional Voices (voice), Director
Jeremy Shada Additional Voices (voice)
Paul Rudish Visual Development
Laraine Newman Additional Voices (voice)
Bob Logan Story Artist
Bobb'e J. Thompson Cal Devereaux (voice)
Gary A. Hecker Foley Artist, Additional Voices (voice)
Rodney Rothman Thanks
Don Rhymer Thanks
Matthew Wood Sound Effects Editor
Jess Harnell Additional Voices (voice)
Will Gluck Thanks
Mickie McGowan ADR Voice Casting, Additional Voices (voice)
Al Roker Patrick Patrickson (voice)
David N. Weiss Thanks
Mark Mothersbaugh Original Music Composer
Christopher Miller Screenplay, Additional Voices (voice), Director
Melissa Sturm Additional Voices (voice)
Danny Mann Additional Voices (voice)
Cody Cameron Additional Voices (voice), Story Artist
Peter Siragusa Rufus (voice)
Justin K. Thompson Production Design
Grace Rolek Additional Voices (voice)
John Cygan Additional Voices (voice)
Mona Marshall Additional Voices (voice)
Jan Rabson Additional Voices (voice)
Greg P. Russell Other
Rachel Bolt Musician
Brian D. Scott Lead Animator
Will Shadley Additional Voices (voice)
Jim Hecht Thanks
John Norton Story Artist
Sherry Lynn Additional Voices (voice)
Liz Cackowski Flint's Teacher (voice)
Andrew Dorfman Music Editor
Chris Mitchell Story Artist
Craig Thomas Thanks
Pete Oswald Visual Development
Andrew Gaskill Visual Development
Nicholas Bucknall Musician
Kris Pearn Head of Story
Daryl Sawchuk Animation
Erica Rivinoja Thanks
Carter Bays Thanks
Winston Quitasol VFX Lighting Artist
Kaan Kalyon Story Artist
Rob Greenberg Additional Writing
Ethan Hurd Animation
Paul Kegg Musician
Ed Gombert Story Artist
Judah Miller Thanks
Fergal Reilly Story Artist
Jay Lavender Thanks
Tim McKeon Thanks
Roger Linley Musician