CW Philly First Look: Jon Cryer As Lex Luthor on 'Supergirl' January 23, 2019 / 3:09 PM EST / CBS News Photo Credit: The CW Pictured: Jon Cryer as Lex Luthor Photo Credit: Sergei Bachlakov/ The CW Pictured (L-R): Katie McGrath as Lena Luthor and Jon Cryer as Lex Luthor Photo Credit: Sergei Bachlakov/ The CW Pictured (L-R): Jon Cryer as Lex Luthor and Katie McGrath as Lena Luthor Photo Credit: Sergei Bachlakov/ The CW Pictured: Jon Cryer as Lex Luthor Photo Credit: Sergei Bachlakov/ The CW Pictured: Jon Cryer as Lex Luthor Photo Credit: Sergei Bachlakov/ The CW Photo Credit: The CW // Cryer makes his official debut on Sunday, March 17.