<Li> Kimberly Brooks as Princess Allura - Crown Princess of Altea, daughter of King Alfor, Allura is the last known female Altean . Pilot and keeper of the Castle of Lions, a structure that is both a castle and a spaceship, Allura granted the Defenders their titles and sent them on their mission to defeat Zarkon and liberate the universe . Allura wishes more than anything to finish her father's work in stopping Zarkon . In season three, she becomes the new pilot of the Blue Lion as the Pink Paladin . As an Altean, Allura's abilities include the chameleon - like ability to blend in with other species and magical abilities related to quintessence . She has a telepathic bond with some Altean mice that were in the same cryo - pod that she was hibernating inside of . </Li> <Li> Rhys Darby as Coran - The Royal advisor to Princess Allura's family and the last known male Altean . Energetic and excitable, Coran serves Allura dutifully whilst being fiercely protective over her . He tends to ramble on and on about his past, particularly about his supposedly daring feats or past experiences . Despite his odd and quirky character, he is a reliable and steadfast ally to his princess and the Paladins . </Li> <Li> Neil Kaplan as Emperor Zarkon - The Emperor of the ruthless Galra Empire, and ruler of most of the known universe after spending the last ten thousand years conquering it . He desires the Lions of Voltron, not only because they represent the biggest threat to his campaign, but because he is later revealed to be the former Black Paladin . As such, he views the Lions as his own property rather than seeing himself as a former chosen one to pilot the Black Lion . He is powerful enough to go toe - to - toe directly with the Lions themselves . At the end of season two, Zarkon faces Voltron and the Paladins in an experimental mecha armor and is defeated but left in critical condition, unconscious and requiring life - support . By the end of season 3, his history is fully revealed and Haggar successfully reawakens him and he starts a manhunt for Lotor . </Li> <Li> Cree Summer as Witch Haggar - Zarkon's primary advisor, and leader of the Druids, dark mystics who fanatically serve the Galra Empire . Haggar is both a dangerous sorceress and a mad scientist . She combines her unnatural magic with abominable science to arm Galra soldiers with powerful weapons, create terrible monsters (dubbed "Ro - beasts" in the second season) to fight Voltron, and leech entire planets (and other sources, such as living beings) of the mystical energy known as Quintessence . In battle, her magical abilities allow her to teleport, cast illusions, fog the minds of others with hallucinations, and use her hands to project energy blasts and shields . Haggar is revealed to be Altean in the second - season finale, and orders the remaining Galran commanders to summon their lord's son, Prince Lotor . By the end of season 3, her history is fully revealed . </Li>

When will season 5 of voltron be released