Gus
Christian Convery
Tommy Jepperd
Nonso Anozie
Dr. Singh
Adeel Akhtar
Rebecca 'Becky' Walker / Bear
Stefania Lavie Owen
Rani Singh
Aliza Vellani
Wendy
Naledi Murray
Aimee
Dania Ramirez
Narrator (voice)
James Brolin
General Douglas Abbot
Neil Sandilands
Maya / Wolf Boy #2
Amie Donald
Birdie
Amy Seimetz
Mrs. Helen Zhang
Rosalind Chao
Johnny Abbot
Marlon Williams
Jordan
George Ferrier
JoJo
Elin Minchin
Haley
Ruby Dawn Hall
Otto
Apii Pukeiti
Max
Harvey Gui
Earl
Ravi Narayan
Anna
Aeon Lin Scott
Hanna
Cyan Lin Scott
Junior
Zoey Javierto
Rosie Zhang
Kelly Marie Tran
Siana
Cara Gee
Finn Fox
Yonas Kibreab
Nuka
Ayazhan Dalabayeva
Teddy Turtle
Christopher Sean Cooper Jr.
Ginger
Louise Jiang
Wolf Boy #1
Shin Tanaka
Wolf Boy #3
Joseph Malele
Batista
Eden Hart
Tex
Joe Witkowski
Odell
James Gaylyn
Elena
Elena Stejko
Tiger
Mia Artemis
Barnes
Mark Sole
Orleans
Antonio Te Maioha
Hulk
Josh Randall
Blair
Maria Walker
Judy
Jodie Rimmer
Nancie
Bronwyn Bradley
Richard Fox / Pubba
Will Forte
Munaqsriri
Nathaniel Lees
Milton
Dahnu Graham
Pony
Conan Hayes
Samantha
Alice May Connolly
Dr. Gladys Bell / Dr. Gladys Bell (voice)
Sarah Peirse
Bob
Andrew Laing
Delivery Last Man / Decontamination Guard
Dallas Barnett
Dolly
Bree Peters
Rufus
Erroll Shand
Walt
Michael Hurst
Wolf Boy #4
Isaiah Ilo
James Thacker
Joel Tobeck