Sign me up! Immediate Media Company Limited (publishers of radiotimes.com) would love to send you our sci-fi and fantasy newsletters. We may also send occasional updates from our editorial team. You can unsubscribe at any time. For more information about how we hold your personal data, please see our privacy policy. Savannah Steyn plays Ash Harper Sky Who is Ash Harper? Ash is a galactic pilot working for the Commonworld authorities, who is framed for a treacherous crime at the beginning of the series and sent to an off-world prison colony. What else has Savannah Steyn been in? This is Steyn’s first leading role, although she has appeared in an episode of A Discovery of Witches and also had recurring roles in drama series The Tunnel and BBC Three sitcom Wannabe.