The world said goodbye to the actress who played one of the most well-known roles to grace the silver screen. Margot Kidder, who is famous for playing the Man of Steel’s love interest Lois Lane in “Superman,” died in her Montana home on Sunday, May 13, 2018. The police received an anonymous call reporting that Kidder was not breathing, but the actress was dead by the time police arrived. The cause of her death is still unknown, but foul play is not suspected at this time.

Kidder found fame when she starred opposite Christopher Reeve in the 1978 movie “Superman,” and she reprised her role for the three sequels:  “Superman II” in 1980, “Superman III” in 1983, and “Superman IV: The Quest for Peace” in 1987. Despite her notoriety for playing the Man of Steel’s leading lady, Kidder had made her professional acting debut nearly a decade earlier with the Canadian film “The Best Damn Fiddler from Calbogie to Kaladar” and the TV series “Wojeck.”

The role of Lois Lane catapulted Kidder to stardom, but she actually believed that the film would be a failure. “Nothing prepares anyone for that sudden thing of being world famous,” she said. “It was such a shock. It wasn’t something I really liked or something I was very good at. I didn’t realize how good the movie was until I had seen it at the premier in Washington.”

Fame, however, did not stop Kidder from having her own struggles. She battled bipolar disease for years and suffered three failed marriages. For a brief time in 1996, the world famous actress was homeless. Eventually, Kidder pulled herself back up and became a vocal advocate for mental health though she bristled at the words “mental illness.” “They are a stigma,” Kidder stated, “and [the words] recall times when it was thought those with a disorder were possessed by the Devil. I hope someone can come up with new words.”

Tributes have poured in for the actress as her death caught many off guard, but Kidder’s friends and family have said that she was acutely aware of her mortality toward the end of her life. “She was close to Carrie Fisher,” said Kidder’s longtime friend Cara Wilder. “There was a lot of death in her life lately, and she felt the weight of that. We had a close friend pass away a week ago. I talked to her on Friday, and she said that was hard to process. She said, ‘I think there’s going to be a lot more death like that happening.’”

Sadly, the actress was not wrong. At the age of 69, she joined the ranks of the talented actors and actresses that have died in the last few years, among them Carrie Fisher and Alan Rickman. Still, the actress lives on in the minds of innumerable fans, not just as a superhero’s love interest, but as a brave woman who helped speak out about mental health and inspire many.