‘Superman’ actress Margot Kidder passes away at 69

Actress Margot Kidder signs autographs at Comic Con International July 14, 2005 in San Diego, California. Comic Con is the largest comic convention in the world and features comic vendors, game and movie premieres, celebrity autograph signings, portfolio reviews. (Photo by Sandy Huffaker/Getty Images)

LIVINGSTON, Montana — Actress Margot Kidder, best known for playing Lois Lane in “Superman,” has passed away.

According to TMZ, Kidder, 69, died at her Montana home on Sunday. Her cause of death is unknown.

Kidder starred in the 1978 film “Superman,” along with three sequels. Over the years, she’s played in several roles on TV shows and in movies.

TMZ reports Kidder has had a very public battle with bipolar disorder for years.

She is survived by one daughter.

Read more here.