Edmund Fong Additional Storyboarding
Jimmy Hayward Obnoxious Who (voice), Director
Chris Gilligan Additional Storyboarding
Crystal Chesney Additional Storyboarding
Michael Knapp Set Designer
Colleen O'Shaughnessey Angela (voice)
Nash Dunnigan Set Designer
William H. Frake III Storyboard Artist
Jennessa Rose Additional Voices (voice)
Bob Gordon Producer
Tony Maki Storyboard Artist
Guillermo Willie Real Set Designer
Stephanie Arnett Additional Storyboarding
Connor Anderson Who Child #1 (voice)
Jake Parker Set Designer
Jeff Biancalana Additional Voices (voice), Storyboard Artist
Martin Fuller Storyboard Artist
Rhett Collier Senior Visual Effects Supervisor
Charles Osgood Narrator (voice)
Eric Favela Storyboard Artist
Emily Anderson Heather (voice)
Grace Rolek Additional Voices (voice)
Caitlin Rose Anderson Helen (voice)
Mac Smith Sound Effects Editor
Jeannine Berger Post Production Supervisor
Jamie Kirschenbaum Senior Visual Effects Supervisor
Alen Lai Senior Visual Effects Supervisor
Jony Chandra Storyboard Artist
Lizette Vega Set Designer
Kyle Macnaughton Set Designer
Simon Brown Senior Visual Effects Supervisor
Christina Martino Heidi / Haley (voice)
Ellie Martino Hanna (voice)