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 / Additional Voices (voice)

Bob Peterson
Universal Users Manual / Additional Voices (voice)

Kate Mulgrew
Museum Exhibit Narrator (voice)

Tamara Tunie
Colonel Markwell (voice)

Evan Agos
Additional Voices (voice)

Trinity Bliss
Additional Voices (voice)

David W. Collins
Additional Voices (voice)

Terri Douglas
Additional Voices (voice)

Chris Edgerly
Additional Voices (voice)

Adam Faison
Additional Voices (voice)

Kellen Goff
Additional Voices (voice)

Leah Mei Gold
Additional Voices (voice)

Jake Green
Additional Voices (voice)

Kevin Keys
Additional Voices (voice)

Andrew Kishino
Additional Voices (voice)

Jennie Kwan
Additional Voices (voice)

Brian Larsen
Additional Voices (voice)

Scott Menville
Additional Voices (voice)

Andrew Morgado
Additional Voices (voice)

Abdoulaye N'Gom
Additional Voices (voice)

Claudia Razzi
Additional Voices (voice)

Alejandra Reynoso
Additional Voices (voice)

Zeno Robinson
Additional Voices (voice)

Angela Sarafyan
Additional Voices (voice)

Madeline Sharafian
Additional Voices (voice)

Domee Shi
Additional Voices (voice)

Tara Strong
Additional Voices (voice)

Richard Tatum
Additional Voices (voice)

Elias Toufexis
Additional Voices (voice)

Kari Wahlgren
Additional Voices (voice)

Evan Whitten
Additional Voices (voice)

Michelle Wong
Additional Voices (voice)

Matthew Wood
Additional Voices (voice)

Joe Zieja
Additional Voices (voice)