Yonas Kibreab

Elio / Other Elio (voice)

Zoe Saldaña

Olga Solís (voice)

Remy Edgerly

Glordon (voice)

Brandon Moon

Ambassador Helix (voice)

Brad Garrett

Lord Grigon (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)