Joey King as Tally

Brianne Tju as Shay

Keith Powers as David

Chase Stokes as Peris

Laverne Cox as Dr. Cable

Charmin Lee as Maddy

Jay DeVon Johnson as Az

Jan Luis Castellanos as Croy

Sarah Vattano as Young Tally

Ashton Essex Bright as Young Peris

Zamani Wilder as Astrix

Joseph Echavarria as Ryde

Gabriella Garcia as Sussy

Ash Maeda as Dex

Jordan Sherley as An

Paria Akbarshahi as Laurier

Jessica Craig as Sailor

Ashley Lambert as Computer (voice)

Bre Tiesi as Nurse Lynne

Brett Hoyle as Adrian

Luke Eisner as Kono

Jillian Murray as Ellie

Robert Palmer Watkins as Sol

Scott Westerfeld as Wheelbarrow Smokie

Dutch Johnson as Lieutenant Zevon

Grant Mellon as Warden Cael

Will Poston as Warden Caster

Lucky Blue Smith as Jax

Katie McSweeney as Emlin

Ashley Marie Dickerson as Halo

Kelly Gale as Sage

Haroon Khan as Len

Jocelyn Chew as Anise

Lindsay Rootare as Singing Smokie 1

Dora Owusu as Drea

Joe Sterrey as Fox

Jelixza Reyes as Leta

James McCoy as Orion

Sara Sanderson as Alix