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 Neil Kaplan Emperor Zarkon Voice Cree Summer Haggar Voice Joaquim Dos Santos Executive Producer Lauren Montgomery Executive Producer