Yonas Kibreab

Elio / Other Elio (voice)

Remy Edgerly

Glordon (voice)

Zoe Saldaña

Olga Solís (voice)

Brad Garrett

Lord Grigon (voice)

Brandon Moon

Ambassador Helix (voice)

Jameela Jamil

Ambassador Questa (voice)

Young Dylan

Bryce (voice)

Jake T. Getman

Caleb (voice)

Matthias Schweighöfer

Ambassador Tegmen (voice)

Ana de la Reguera

Ambassador Turais (voice)

Atsuko Okatsuka

Ambassador Naos (voice)

Shirley Henderson

Ooooo (voice)

Naomi Watanabe

Ambassador Auva (voice)

Brendan Hunt

Gunther Melmac (voice)

Anissa Borrego

Ambassador Mira (voice)

Shelby Young

Diplo Ship (voice)

Bob Peterson

Universal Users Manual (voice)

Kate Mulgrew

Museum Exhibit Narrator (voice)

Tamara Tunie

Colonel Markwell (voice)

Trinity Jo-Li Bliss

Additional Voices (voice)

Kendra Fountain

Additional Voice (voice)

Kellen Goff

Additional Voices (voice)

Leah Mei Gold

Additional Voice (voice)

Krysta Gonzales

Additional Voices (voice)