Future Unknown

Halston Sage

Alara Kitan

Chad L. Coleman

Klyden

Graham Hamilton

Kaylon Primary

Sarah Jane MacKay

Nurse Hopkins

Jim Mahoney

Brosk

Giorgia Whigham

Lysella

BJ Tanner

Marcus Finn

Kai Wener

Ty Finn

Victor Garber

Admiral Halsey

Norm Macdonald

Yaphit (voice)

Kyra Santoro

Lieutenant Turco

Imani Pullum

Topa

Dirk Rogers

Tongue Alien

Lauren Shaw

Union Guard

Eric C. Sun

Pilot

Joe Brogie

Comm Officer (voice)

Justin Smith

Alien Guitarist

Jared Butler

Announcer (voice)

Sam Valentine

Alien Arm Waitress