JoAnna Cameron, who portrayed the super-powered title character on the groundbreaking 1970s series "The Secrets of Isis," has died at age 70.
The actress died after experiencing complications from a stroke, according to Joanna Pang Atkins, who also starred on the superhero show.
"Sad to post that JoAnna Cameron 'The Mighty Isis' has flown to heaven," Pang Atkins tweeted Oct. 24.
"We shared the wonderful lasting experience of making 'The Secrets of Isis,'" she continued. "May she RIP."
Cameron died in Hawaii on Oct. 15, Entertainment Weekly reported.
She starred on all 22 episodes of "The Secrets of Isis," which was based on a DC Comics character. The series, which aired from 1975 to 1976, made history as the first live-action, weekly show about a female superhero in the United States.
"The Bionic Woman" and "Wonder Woman" both came out in 1976.
Cameron also portrayed Isis on three episodes of the DC Comics series "Shazam!" between 1975 and 1976.
