Special Guest Stars Teri Hatcher as Rhea Guest Stars Katie McGrath as Lena Luthor Curtis Lum as Agent Demos Gregg Henry as Peter Thompson David Hoflin as Rick Malverne Co Starring Malina Weissman as Young Kara Zor-El Jordan Mazarati as Young Alex Danvers Zayne Emory as Rick Malverne Samori Joseph as Onlooker