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 Cree Summer Actor Kimiko Glenn Actor Joaquim Dos Santos Executive Producer Lauren Montgomery Executive Producer Tim Hedrick Writer Joshua Hamilton Writer Eugene Lee Director