Guest Stars Áine Rose Daly as Sandy Phillips Cherrelle Skeete as Terri Miller Gianna Kiehl as Jules Allen Chloe Pirrie as Brianna Stapleton Sam Swainsbury as Ethan Williams Taylor Napier as Chuck Gabriel Akuwudike as Max Kaplan Trent Garrett as Taylor Flora Nicholson as Kenton Josefína Krycnerová as Young Marissa Klara Cibulova as Zofia Jim High as Pioneer Guard Hans Roy McCrerey as Pioneer Lobby Guard