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