Jessica wil een 'groot kind' zijn. Stoer en onverschrokken probeert ze in Jessica's Grote Wereldje alles te leren wat grote kinderen kunnen.
| Production | Matt Burnett | Executive Producer |
| Production | Ben Levin | Executive Producer |
| Production | Tiffany Ford | Executive Producer |
| Production | Sam Register | Executive Producer |
| Production | Susy Campos | Producer |
| Writing | Ashleigh Crystal Hairston | Story Editor |
| Visual Effects | Shea Wheeler | Animation Director |
| Art | Benjamin Anders | Art Direction |
| Production | Jeannette Jimenez | Production Manager |
| Production | Aries Hu | Production Coordinator |
| Production | Alex Savio | Production Coordinator |
| Production | Sarah Tseng | Production Assistant |
| Production | Elizabeth Dettmann | Production Assistant |
| Art | Nick Winn | Prop Designer |
| Visual Effects | Nick Winn | Character Designer |
| Visual Effects | Karl Cruz | Character Designer |
| Art | Corinth Boone | Prop Designer |
| Art | Coco Candelario | Prop Designer |
| Art | Santino Lascano | Background Designer |
| Art | Derek Hunter | Background Designer |
| Art | Austen Marr | Background Designer |
| Visual Effects | Mari Alizor | Color Designer |
| Visual Effects | Nick Nazzaro | Color Designer |
| Visual Effects | Karolyn Moses | Color Designer |
| Visual Effects | Jon Paramel | Color Designer |
| Visual Effects | W. Scott Forbes | Color Designer |
| Production | Sarah Noonan | Casting |
| Production | Agnes Kim | Casting |
| Production | Alden Osborne | Casting |
| Sound | Ashley Nguyen DeWitt | Other |
| Sound | Bill Devine | Sound Engineer |
| Sound | Robert Serda | Other |
| Editing | Carrie Owens | Assistant Editor |
| Sound | Krandal Crews | Dialogue Editor |
| Visual Effects | David Estes | Simulation & Effects Artist |
| Sound | Grace Hayes | Original Music Composer |
| Sound | Tony Orozco | Supervising Sound Editor |
| Sound | Scott Manke | Sound Effects Editor |
| Sound | Tony Orozco | Sound Re-Recording Mixer |
| Sound | Timothy J. Borquez | Sound Re-Recording Mixer |
| Sound | Grace Hayes | Main Title Theme Composer |
| Crew | Alicia Parkinson | Post-Production Manager |
| Production | Stacy Renfroe | Other |
| Production | Cecilia Rheins | Other |
| Production | Alan Pasman | Other |
| Visual Effects | Shawn Toshikian | Animation |
| Production | Brent Tanner | Production Supervisor |
| Production | Ed Adams | Production Manager |
| Production | Vishnu Athreya | Executive In Charge Of Production |
| Production | Allyson Clark | Executive In Charge Of Production |
