Scott Adkins

as Max Cloud

Isabelle Allen

as Sarah

John Hannah

as Revengor

Lashana Lynch

as Shee

Tommy Flanagan

as Brock Donnelly

Elliot James Langridge

as Jake

Franz Drameh

as Cowboy

Sam Hazeldine

as Tony

Jason Maza

as Space Witch

Martyn Ford

as Musculor

Sally Collett

as Rexy

Andi Osho

as Sofia

Shirin Daryaie

as Scavenger

Geraldine Sharrock

as Max Cloud's Mum

Craig Thomas Lambert

as Max Cloud's Dad

Finley Pearson

as Young Max Cloud