Annette O'Toole (born April 1, 1952) is an American actress, dancer, and singer-songwriter. She is known for portraying Lana Lang in Superman III and Martha Kent on Smallville.
She has also portrayed Lisa Bridges in the TV series Nash Bridges (1996-1998), the adult version of Beverly Marsh in the It miniseries (1990), and Kathy in Cross My Heart (1987).