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