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