Zak Penn Creator, Executive Producer Lena Headey Aster Actor, Executive Producer Stephan James Halan Actor, Executive Producer Natasha Mumba Harmony Actor Sandrine Holt Coley Actor Wade Bogert-O'Brien Bartholomew Voice 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, Director Joy Blake Executive Producer