Marvel's Moon Girl and Devil Dinosaur (TV) Cast
The cast of Marvel's Moon Girl and Devil Dinosaur. Updated on August 3, 2025.
77 actors
Diamond White
as Lunella Lafayette/Moon Girl (voice) (30 episodes)

Diamond White voices the protagonist of the show, Lunella Lafayette / Moon Girl. Lunella is known for her exceptional intelligence, inventiveness, and her ability to communicate telepathically with Devil Dinosaur.

Fred Tatasciore
as Devil Dinosaur (voice) (30 episodes)

Fred Tatasciore provides the voice for Devil Dinosaur, Lunella's loyal and powerful companion. Devil Dinosaur is a huge and ferocious creature from the prehistoric era.

Alfre Woodard
as Mimi Lafayette (voice) (30 episodes)

Alfre Woodard lends her voice to the character of Mimi, Lunella's grandmother and a source of guidance and support in her adventures.

Libe Barer
as Casey Calderon (voice) (26 episodes)

Libe Barer voices the character of Casey, Lunella's best friend. Casey is fiercely loyal to Lunella and often joins her in solving mysteries and fighting evil.

Sasheer Zamata
as Adria Lafayette (voice) (24 episodes)
Jermaine Fowler
as James Lafayette Jr. (voice) (24 episodes)

Jermaine Fowler portrays James Jr., a classmate of Lunella who becomes involved in her extraordinary adventures.

Gary Anthony Williams
as Pops Lafayette (voice) (24 episodes)

Gary Anthony Williams provides the voice for Pops, Lunella's grandfather. Pops adds a touch of wisdom and humor to the show.

Alison Brie
as Aftershock (voice) (1 episode)

Alison Brie voices the character of Aftershock, a powerful villain who poses a threat to Lunella and her friends.

Utkarsh Ambudkar
as Anand (voice) (5 episodes)
Asia Kate Dillon
as LOS-307 (voice) (3 episodes)
Craig Robinson
as Principal Nelson (voice) (3 episodes)
Jennifer Hudson
as Mane (voice) (1 episode)
May Calamawy
as Fawzia (voice) (2 episodes)
Daveed Diggs
as Rat King (voice) (1 episode)
Mae Jemison
as Skipster (voice) (1 episode)
Maya Hawke
as Abyss (voice) (1 episode)
Erika Ishii
as Michiko Musashi/Turbo (voice) (1 episode)
Ian Alexander
as Tai (voice) (3 episodes)
David Tennant
as Franklin (voice) (1 episode)
Giancarlo Esposito
as Granite (voice) (1 episode)
Xolo Mariduena
as Marvin Ellis/Mel-Varr/Kid Kree (voice) (3 episodes)
Edward James Olmos
as Molecule Man (voice) (2 episodes)
Cobie Smulders
as Maria Hill (voice) (4 episodes)
Manny Jacinto
as Blue Streak/Brian Glory (voice) (1 episode)
Arsenio Hall
as Vernell (voice) (1 episode)
SungWon Cho
as General Hyles (voice) (1 episode)
Isabella Gómez
as Cecilia (voice) (3 episodes)
Michael Cimino
as Eduardo (voice) (7 episodes)
Tajinae Turner
as Geri (voice) (4 episodes)
Myha’la
as Jurnee (voice) (3 episodes)
Indya Moore
as Brooklyn (voice) (6 episodes)
Josh Keaton
as Angelo (voice) (1 episode)
Marcus Toji
as Andy (voice) (1 episode)
Hiromi Dames
as Erma Musashi (voice) (1 episode)
Jonathan Banks
as Silvio Manfredi/Silvermane (voice) (1 episode)
Parker Posey
as Kat Swan (voice) (1 episode)
Laurence Fishburne
as The Beyonder (voice) (14 episodes)
Peter Weller
as Dr. Stern (voice) (1 episode)
Gerald Isaac Waters
as Eli (voice) (2 episodes)
Alex Newell
as Pebble (voice) (1 episode)
Cree Summer
as Aragorn (voice) (1 episode)
Fred Stoller
as Tooth Gnasher (voice) (1 episode)
Cynthia Erivo
as Dr. Akonam Ojo (voice) (1 episode)
Ephraim Sykes
as Bobby the Myth (voice) (1 episode)
Andy García
as Pad-Varr (voice) (1 episode)
Robin Thede
as Zakiya/Quickwhip (voice) (1 episode)
Carol Kane
as Bube Bina (voice) (2 episodes)
Miki Yamashita
as Maki Matsumoto/Lady Bullseye (voice) (1 episode)
Jackée Harry
as Merle (voice) (1 episode)
Ann Harada
as Matsuye (voice) (1 episode)
Betsy Sodaro
as Pogo Stick Alien (voice) (1 episode)
Alanna Ubach
as Clueless Girl (voice) (2 episodes)
Kalen Aris Whitfield
as Jonathan Powers/Jester (voice) (1 episode)
Tatianna Lee
as Alien Gang Soldier 3 (voice) (1 episode)
Bumper Robinson
as Muzzlebot (voice) (1 episode)
Omid Abtahi
as Ahmed (voice) (4 episodes)
Keith Ferguson
as Jimmy / Male Bystanders / Male Teacher (voice) (1 episode)
Kimberly Brooks
as News Anchor / Bystander (voice) (1 episode)
Ace Gibson
as Gravitas (voice) (1 episode)
Aaron Drown
as Man Baby (voice) (1 episode)
Carlee Baker
as Instantanegirl (voice) (1 episode)
Sam Riegel
as Military General / Self Destruct Voice / Enclave Agents (voice) (1 episode)
Ramone Hamilton
as TJ (voice) (1 episode)
Andy Cohen
as Isaac Goldberg-Calderon (voice) (2 episodes)
Luis Guzmán
as President Council Peña (voice) (1 episode)
June Diane Raphael
as Marcy Muzzler (voice) (1 episode)
Paul Scheer
as Marty Muzzler (voice) (1 episode)
Kari Wahlgren
as Stern Jewish Woman (voice) (1 episode)
Roger Craig Smith
as Lead Scientist (voice) (1 episode)
Wilson Cruz
as Antonio Goldberg-Calderon (voice) (1 episode)
Pamela Adlon
as Rabbi Ryda (voice) (1 episode)
Anna Akana
as Odessa Drake (voice) (1 episode)
Gideon Adlon
as Lara / Laura / Laurel (voice) (1 episode)
Method Man
as Torg (voice) (1 episode)
Nico Loter
as Teen Fan (voice) (1 episode)
Chivaun Fitzpatrick
as Nox (voice) (1 episode)
Wesley Snipes
as Maris Morlak (voice) (2 episodes)
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