Guest Stars Esmé Creed-Miles voices Cassandra Gina Torres voices Keeper Yennen Khary Payton voices Sovereign Uriel Tal'Dorei Indira Varma voices Lady Allura Vysoren Sunil Malhotra voices Gilmore Lance Reddick voices Thordak The Cinder King Eugene Byrd voices Captain Jarett Cree Summer voices Raishan Liam O'Brien voices Vorugal Cree Summer voices Salda Maximus Riegel voices Boy Kestrel Riegel voices Girl