http://comicbook.com/dc/news/joanna-camerona-secrets-isis-dead-at-70/

Joanna Cameron, star of CBS' The Secrets of Isis, has passed away. According to a tweet from Isis costar Joanna Pang Atkins, the classic DC star suffered a stroke last week and passed away on October 22nd. She was 70.

Cameron got her start in Norman Panama's How to Commit Marriage in 1969 and starred in a handful of projects before landing what would end up to be her most notable role. At the same time Lynda Carter was starring in her Wonder Woman series, CBS was also developing The Secrets of Isis, another series featuring characters from the DC Comics stable. Cameron played the show's lead character — Isis/Andrea Thomas — and often appeared alongside Shazam!, who went by the name Captain Marvel in the Show.

"Sad to post that JoAnna Cameron 'The Mighty Isis' has flown to heaven," Atkins tweeted Sunday morning. "She suffered a stroke and passed away from complications this past Friday. We shared the wonderful lasting experience of making 'The Secrets of Isis.' May she RIP."

Definitely sad news for fans of Saturday Morning TV. JoAnna Cameron will always be remembered for portraying one of TV's first female superheroes since Batgirl and her catchphrase "Oh mighty Isis." May she rest in peace.

RIP Joanna - beautiful and heroic as Isis. I never missed the show on network.

"O zephyr winds that blow on high, lift me now so I can fly."

Very sorry to hear this. Very pretty young woman I'm sure many young guys watched for in various TV shows and movies. I know I did. And was always anxious to read anything about her then or later to find out how she was doing. Sad news.

Very sad. I remember watching her on that show on Saturday mornings in the 1970's and thought she was gorgeous.