Kimberly Brooks Princess Allura Voice Rhys Darby Coran Voice Josh Keaton Shiro, Black Lion Voice Tyler Labine Hunk, Yellow Lion Voice Jeremy Shada Lance, Blue Lion Voice Bex Taylor-Klaus Pidge, Green Lion Voice Steven Yeun Keith, Red Lion Voice Ana Gasteyer Krolia Guest Voice Jamie Gray Hyder Zethrid Guest Voice Erica Luttrell Acxa Guest Voice Cree Summer Actor Kimiko Glenn Actor Joaquim Dos Santos Executive Producer, Writer Lauren Montgomery Executive Producer Tim Hedrick Writer Mitch Iverson Writer Joshua Hamilton Writer Mark Bemesderfer Writer Steve Ahn Director Chris Palmer Director Eugene Lee Director