Guest Stars Katie McGrath as Lena Luthor Andrea Brooks as Eve Teschmacher Brenda Strong as Lillian Luthor Ian Gomez as Snapper Carr Peter Gadiot as Mr. Mxyzptlk Frederick Schmidt as John Corben / Metallo Co Starring Robert Zen Humpage as Fish Head Dawn Chubai as TV Anchor #1 Angelo Renai as Lillian's Attorney Marshall Bingham as Guard #2 Judith Maxie as Judge Hobart Desiree Zurowski as US Attorney Webb Ian Butcher as Lionel Luthor Camille Marty as Young Lena Luthor Aidan Fink as Young Lex Luthor Damian Mavis as Prison Guard Walcott E. Morgan as Creepy Guard Uncredited David Harewood as Hank Henshaw / Cyborg Superman