John Glover is an American actor, best known as Lionel Luthor on CW’s Smallville.

Film credits include Payback, Batman and Robin, Gremlins 2, Scrooged, The Chocolate War, Rocket Gibraltar, The Incredible Shrinking Women, Julia, and Annie Hall.

Broadway theatre credits include his debut as Ward Nichols in The Selling of the President (Shubert Theatre), Witch/Others in Macbeth (Vivian Beaumont Theatre), Uncle Ben in Death of a Salesman, Johnny Case in The Holiday, and Professor Muller in The Visit (Ethel Barrymore Theatre), Herbert Dean in The Royal Family (Samuel J. Friedman Theatre), Lucky in Waiting for Godot (Studio 54), Tartuffe in Tartuffe, Leo in Design for Living, and Algernon Moncrieff in The Importance of Being Earnest (Circle in the Square Theatre), John/James Jeckyll in Love! Valour! Compassion! (Walter Kerr Theatre), Henry Clerval in Frankenstein (Palace Theatre), and Pierrot in Don Juan and William A. Brown in The Great God Brown (Lyceum Theatre).