Who Is Susan Powter As Janet Block? Meet The ‘Diagnosis Murder’ Murder By The Book Cast
Samuel Coleman
Published Feb 09, 2026
Susan Powter played the role of Janet Block in “Diagnosis Murder” Murder by the Book.
She is an Australian-born American motivational speaker, nutritionist, personal trainer, and author who rose to prominence in the 1990s with her weight-loss infomercial’s motto “Stop the Insanity!”
In the 1990s, she hosted her own talk program, The Susan Powter Show. Diagnosis Murder is an American action-comedy-mystery-medical crime drama television series starring Dick Van Dyke as Dr. Mark Sloan, a medical doctor who solves crimes with the help of his son Steve.
Who Is Susan Powter On ‘Diagnosis Murder’ Murder By The Book? Wikipedia
Susan Powter played the role of Janet Block in “Diagnosis Murder” Murder By The Book. She is featured on the Wikipedia page. You can go through it by clicking the link here.
Powter has had two marriages. Damien and Kiel are her two boys from her first marriage. After her second marriage, she adopted a third son, Gabriel. She eventually came out as a lesbian, describing herself as a “radical feminist lesbian woman” in a 2004 interview with Curve magazine.
In 2008, she dated comedian Jessica Kirson. She has kept away from social media, opting to make her Instagram account private. She hasn’t said anything about her absence from the internet, however.
What Is Susan Powter Age?
Susan Powter was born on 22 December 1957 in Sydney 1957. As per her Wikipedia page, it is mentioned that her exact date of birth might be either 12th or 22nd of December.
Powter migrated to the United States at the age of 10. She left her school when she was in 9th grade. She declared personal bankruptcy on January 3, 1995.
The 64 years old has stayed out of the spotlight since 2021. She has a lucrative career as a fitness guru, but her financial situation was precarious in 1995.
More On Susan Powter – Photos On Reddit
Searching for Susan Powter on the web, we can see many pictures of her on the internet. Her photos are also found on Reddit. Her most recent video, which she published eight years ago, is on her YouTube channel.
During the nineties, she had her own talk show, The Susan Powter Show, which aired for one season. She took advantage of the chance to discuss diet, exercise, and other topics with her visitors.
She has an Instagram page having the username @susuanpofficial. However, it seems deserted with only one post and with over 900 followers. She has kept the account private.