Guest Stars Jairaj Varsani as Poly Verisof Daniel MacPherson as Hugo Crast Sasha Behar as Mari Hardin Elliot Cowan as Lewis Pirenne Kubbra Sait as Phara Keaen Pravessh Rana as Rowan Alfred Enoch as Raych Foss Chloe Lea as Gia Joni Morris as Laylo Fulham Buddy Skelton as Keir Co Starring Nikhil Parmar as Freestone Clarke Peters as Abbas Hardin Matt Gavan as Jord Hasp Stuart McQuarrie as Lunden Christian Contreras as Commander Kray Dorwin Johanna O'Brien as Shivaughn Chris Jarman as Jarko Dornick Shauna Black voices The Raven Computer Catriona Loughlin as Vreede Mark Lavery as Kalin Jade Harrison as Bayla Dornick Teyarnie Galea as Young Gaal Age 9 Alicia Gerrard as Yate Joyce Grey-Carter as Synnaxian Stone Remover Mina Andala as Seer Dominie Sonsoles Garcia as Citizen Gabriel Adewusi as Imperial Centurion Abigail Rambaaya as Acolyte Rhea Rose Rodillas as Operator #2 (Dorwin Ship) Stephanie Karam as Operator (Dorwin Ship) Jordy Meya as Synnax Algae Worker 2 Theo St. Claire as Synnax Algae Worker 1 Wale Ojo as Arren Sorn