Yonas Kibreab
Elio / Other Elio (voice)
Acting
Remy Edgerly
Glordon (voice)
Acting
Zoe Saldaña
Olga Solís (voice)
Acting
Brad Garrett
Lord Grigon (voice)
Acting
Brandon Moon
Ambassador Helix (voice)
Acting
Jameela Jamil
Ambassador Questa (voice)
Acting
Young Dylan
Bryce (voice)
Acting
Jake T. Getman
Caleb (voice)
Acting
Matthias Schweighöfer
Ambassador Tegmen (voice)
Acting
Ana de la Reguera
Ambassador Turais (voice)
Acting
Atsuko Okatsuka
Ambassador Naos (voice)
Acting
Shirley Henderson
Ooooo (voice)
Acting
Naomi Watanabe
Ambassador Auva (voice)
Acting
Brendan Hunt
Gunther Melmac (voice)
Acting
Anissa Borrego
Ambassador Mira (voice)
Acting
Shelby Young
Diplo Ship (voice)
Acting
Bob Peterson
Universal Users Manual (voice)
Acting
Kate Mulgrew
Museum Exhibit Narrator (voice)
Acting
Tamara Tunie
Colonel Markwell (voice)
Acting
Trinity Jo-Li Bliss
Additional Voices (voice)
Acting
Kendra Fountain
Additional Voice (voice)
Acting
Kellen Goff
Additional Voices (voice)
Acting
Leah Mei Gold
Additional Voice (voice)
Acting
Krysta Gonzales
Additional Voices (voice)
Sound