It was also the time when her battle with bipolarism flared up.
In this way, she turned that dark chapter into something positive.
Margot later went through a highly publicised breakdown in 1996 when she lost three weeks of work of her autobiography. Thereafter she became one of the more interesting and accomplished actors of the era, always with an enlivening dose of comic expertise.
Film icon, Margot Kidder unexpectedly died at the age of 69 on May 13. She was later found wandering the streets in Los Angeles with her hair dramatically cut and her knocked out by a purported rape attempt.
Hatcher, who starred as Lane in the ABC series "Lois & Clark: The New Adventures of Superman" for four seasons, shared a famous photo of Kidder wearing a sweater with the Superman symbol emblazoned on the chest.
Lois Lane, the archetypal "girl reporter" constantly being rescued from peril by Superman, had been a staple of radio and TV since the 1940s. She leaves behind a legacy of greatness, from Superman to Amittyville Horror and Black Christmas, as well as giving with her charitable work and political activism.
Margot Kidder, pictured at the premiere of "Halloween II" on August 24, 2009 in Hollywood, California, died on Sunday. Her mother, Margaret, was a teacher, and her father, Kendall, was an explosives expert whose job entailed taking the family to whatever remote place ore had been discovered.
Several months later, she revealed her diagnosis to People.
It is not yet known what Kidder died from.
A cause of death has not yet been publicly released for Kidder. Kidder, according to Durance, once told her that she "hit it out of the park" when it came to portraying the character. She rose to prominence in the American filmmaking scene when she was cast as the eponymous Siamese twins in Brian De Palma's Sisters (1973), which presaged a career in 1970s horror and genre films. In addition to promoting mental health issues, she spoke publicly as an anti-war and environmental activist.
Years later Margot said she had not had a manic episode for a long time because she had been cured by orthomolecular medicine. In 2015 she won an Emmy award for Outstanding Performer in Children's Programming for her performance on an episode of R.L. Stine's The Haunting Hour.
"I'd never read comics, so I didn't know much about Superman", she said in 2009. She became a U.S. citizen in 2005. In 2011, she was arrested outside of the White House for protesting against the Keystone XL pipeline. She was a tremendous supporter of Bernie Sanders in the 2016 primaries.