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