Dennis Leonard Supervising Sound Editor
Shelby Adamowsky Hedy / Hooly (voice)
Moroni Taylor Storyboard Artist
Barry E. Jackson Visual Development
Jeff Siergey Additional Storyboarding
Bruce Anderson Producer
Crystal Chesney Additional Storyboarding
Chris Gilligan Additional Storyboarding
Charles Osgood Narrator (voice)
Jennessa Rose Additional Voices (voice)
David Esneault Lighting Director
Caitlin Rose Anderson Helen (voice)
Nash Dunnigan Set Designer
Thomas Cardone Art Direction
Kathy Graves Toon Additional Voice (voice)
Martin Fuller Storyboard Artist
Emily Anderson Heather (voice)
Rhett Collier Senior Visual Effects Supervisor
Lizette Vega Set Designer
Wilbert Plijnaar Additional Storyboarding
Jake Parker Set Designer
Stephanie Arnett Additional Storyboarding
Jony Chandra Storyboard Artist
Michael Knapp Set Designer
Bob Gordon Producer
Rafael Zentil Storyboard Artist
Connor Anderson Who Child #1 (voice)
Ellie Martino Hanna (voice)
Alen Lai Senior Visual Effects Supervisor
Guillermo Willie Real Set Designer
Jamie Kirschenbaum Senior Visual Effects Supervisor
Kyle Macnaughton Set Designer
Christina Martino Heidi / Haley (voice)