Lunella Lafayette / Moon Girl

Diamond White

Mimi Lafayette (voice)

Alfre Woodard

Devil Dinosaur

Fred Tatasciore

Adria Lafayette (voice)

Sasheer Zamata

Casey Calderon (voice)

Libe Barer

James Lafayette Jr. (voice)

Jermaine Fowler

Pops Lafayette (voice) / RobotWarz Announcer / Rockin' Rudy (voice)

Gary Anthony Williams

The Beyonder (voice) / Foster (voice)

Laurence Fishburne

Eduardo (voice)

Michael Cimino

Staten Island Passenger (voice) / News Anchor / Bystander (voice)

Kimberly Brooks

Brooklyn (voice)

Indya Moore

Anand (voice)

Utkarsh Ambudkar

Street Drummer / Falafel Vendor (voice) / Alien Gang Soldier 1 (voice)

Kalen Aris Whitfield

Maria Hill (voice)

Cobie Smulders

Geri (voice)

Tajinae Turner

Clueless Girl (voice) / Brooklyn's Mom (voice) / Chloé (voice)

Alanna Ubach

Ahmed (voice)

Omid Abtahi

LOS-307 (voice)

Asia Kate Dillon

Principal Nelson (voice)

Craig Robinson

Tai (voice)

Ian Alexander