Zak Penn Creator, Executive Producer, Writer Lena Headey Aster Actor, Executive Producer Stephan James Halan Actor, Executive Producer Natasha Mumba Harmony Actor Jess Salgueiro Saldana Actor Marc Menchaca Keir Actor Eric Lange Milan Aleph Actor Glen Mazzara Executive Producer David Fortier Executive Producer Ivan Schneeberg Executive Producer James Middleton Executive Producer Nick Nantell Executive Producer Tina Thor Executive Producer Katie O'Connell Marsh Executive Producer Elisa Ellis Executive Producer Liz Varner Executive Producer Ira Steven Behr Executive Producer, Writer Daniel Percival Executive Producer Joy Blake Executive Producer Mikayla Gingrey Writer Lewin Webb Director