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