Steve Zahn Runt of the Litter (voice)
Don Knotts Mayor Turkey Lurkey (voice)
Patrick Stewart Mr. Woolensworth (voice)
Patrick Warburton Alien Cop (voice)
Joan Cusack Abby Mallard (voice)
Wallace Shawn Principal Fetchit (voice)
Catherine O'Hara Tina - Alien Mom (voice)
Amy Sedaris Foxy Loxy (voice)
Garry Marshall Buck Cluck (voice)
Nathan Kress Additional Voices (voice)
Adam West Ace - Hollywood Chicken Little (voice)
Zach Braff Chicken Little (voice)
Harry Shearer Dog Announcer (voice)
Scott Menville Additional Voices (voice)
Aaron Spann Additional Voices (voice)
Terri Douglas Additional Voices (voice)
Fred Willard Melvin - Alien Dad (voice)
Ron Anderson Screenplay
Chris Edgerly Additional Voices (voice)
John Debney Original Music Composer
Mary Hidalgo Casting
Will Finn Hollywood Fish (voice)
Pat Fraley Additional Voices (voice)
David Reynolds Additional Dialogue, Other
David E. Fluhr Sound Re-Recording Mixer
Hi-Hat Choreographer
Mona Marshall Additional Voices (voice)
Steve Bencich Screenplay
Joe Grant In Memory Of
Mark Dindal Director, Morkubine Porcupine / Coach (voice), Story
Mark Kennedy Story, Hollywood Runt (voice), Head of Story
Julianne Buescher Additional Voices (voice)
Brittney Lee Harvey Additional Voices (voice)
Eddie Frierson Additional Voices (voice)
Sandra Tsing Loh Additional Dialogue
Dara McGarry Hollywood Abby (voice)
Matthew Josten Kirby - Alien Kid (voice)
Peter Del Vecho Associate Producer
Ron J. Friedman Screenplay
Matthew Jon Beck Casting
Joe Whyte Rodriguez / Acorn Mascot / Umpire (voice)
Jin Kim Animation
Matsune Suzuki Visual Development
Earl Ghaffari Music Editor
Jeff Carson Music Editor
Nik Ranieri Supervising Animator
Brian Kesinger Layout
Jeff Sawyer Sound Effects Editor
Mark Walton Goosey Loosey (voice)
Kelly Hoover Mama Runt (voice)
Jim Harrison Music Editor
Thomas Baker Layout
Adam Kopald Sound Effects Editor
Alessandro Jacomini Visual Development
Natalie Franscioni-Karp Visual Development
Sean Eckols Visual Development
Dan Molina Editor, Fish Out of Water (voice)
Robert L. Sephton Sound Designer, Supervising Sound Editor
Steve Goldberg Visual Effects Supervisor
Dick Zondag Supervising Animator
Eamonn Butler Animation Supervisor
Charles Tappan Visual Development
Rick Moore Layout
Randy Fullmer Producer
Vera Pacheco Animation
Christian P. Minkler Sound Re-Recording Mixer
Doug Bennett Supervising Animator
Allen Blaisdell Layout
Jen Rudin Casting
Evan Dunn Kirby - Alien Kid (voice)
Terry Moews Layout Supervisor
Umakanth Thumrugoti Visual Development