Annette O'Toole (born Annette Toole; April 1, 1952) is an American actress. She is known for portraying Lisa Bridges in the television series Nash Bridges, adult Beverly Marsh in the 1990 television mini-series adaptation of Stephen King's epic horror novel It, Lana Lang in Superman III, Kathy in the romantic-comedy film Cross My Heart and Martha Kent (the adoptive mother of Clark Kent) on the television series Smallville.