 | Cathy Ang als Fei Fei (voice) |
 | Phillipa Soo als Chang'e (voice) |
 | Robert G. Chiu als Chin (voice) |
 | Ken Jeong als Gobi (voice) |
 | John Cho als Father (voice) |
 | Sandra Oh als Mrs. Zhong (voice) |
 | Ruthie Ann Miles als Mother (voice) |
 | Margaret Cho als Auntie Ling / Gretch (voice) |
 | Kimiko Glenn als Auntie Mei / Lulu (voice) |
 | Artt Butler als Uncle / Bill (voice) |
 | Irene Tsu als Grandma (voice) |
 | Clem Cheung als Grandpa (voice) |
 | Conrad Ricamora als Houyi (voice) |
 | Glen Keane als Space Dog / Rail Worker #3 (voice) |
| Brycen Taylor Hall als Young Fei Fei (voice) |
| Edie Ichioka als Bungee (voice) |
 | Brittany Ishibashi als Blue Lunette (voice) |
 | Janice Kawaye als Pink Lunette (voice) |
| Trisha Vo als Yellow Lunette (voice) |
 | Greg Watanabe als Male Customer / Rail Worker #2 (voice) |
 | James Taku Leung als Photographed Father / Rail Worker #1 / Delivery Man (voice) |
 | Elizabeth Pan als Photographed Mother (voice) |
 | Josiah D. Lee als Photographed Son (voice) |
 | David Chen als Townsperson / Teacher (voice) |
 | Meilee Condron als Additional Voices (voice) |
 | Ewan Chung als Additional Voices (voice) |
 | John Kahrs als Additional Voices (voice) |
 | Esther Chae als Lunarians (uncredited) |
| Lucy Lin als Photographed Daughter (voice) |
| Celine Desrumaux | Production Design |
| Alyse Joseph | Digital Producer |
| Gennie Rim | Producer |
| Glen Keane | Director |
| Janet Yang | Executive Producer |
| Edwin Rhemrev | Set Designer |
| Audrey Wells | Writer |
| Thomas Hui | Executive Producer |
| Helen Park | Songs |
| Glen Keane | Character Designer |
| David Alexander Smith | Visual Effects Supervisor |
| Qianbaihui Yang | Supervising Sound Editor |
| Micah Dahlberg | Casting |
| Glen Keane | Executive Producer |
| John Kahrs | Co-Director |
| Christopher Curtis | Songs |
| Peilin Chou | Producer |
| Steven A. MacLeod | Head of Story |
| Gary Rydstrom | Sound Designer |
| Lisa M. Poole | Line Producer |
| Frank Zhu | Executive Producer |
| John Bermudes | Head of Layout |
| Glen Keane | Story Artist |
| Edie Ichioka | Editor |
| Marjorie Duffield | Songs |
| Sebastian Kapijimpanga | Head of Animation |
| Jeremy Bowker | Supervising Sound Editor |
| John Kreidman | Co-Producer |
| Alice Wu | Additional Writing |
| Rui Gang Li | Executive Producer |
| Brittany Myers | Character Designer |
| Jin Kim | Character Designer |
| Jennifer Yee McDevitt | Additional Writing |
| Kyu Hyung Ray Lee | Lighting Artist |
| Kyu Hyung Ray Lee | Compositing Artist |
| Steven Price | Original Music Composer |
| Audrey Wells | In Memory Of |
| Hikari Toriumi | Storyboard Artist |
| Kyle Hanagami | Choreographer |
| Daniel Ceballos | Animation |
