Lena Headey Aster Calyx
Stephan James Halan Kai Nelson
Eric Lange Milan Aleph (voice)
Sandrine Holt Coley
Paulino Nunes Timur 'Battle' Ondi
Carolina Bartczak Dr. Ree Avalon
Marc Menchaca Keir
Stephen Root Solomon Smythe
Barbara Hershey Sophie
Dylan Taylor Giciru