Welcome to Tranquillum House, where in just 10 days, you will be transformed. Nine Perfect Strangers, a Hulu Original, is coming soon.
The miniseries is based on the 2018 novel of the same name by Liane Moriarty. The series is created by David E. Kelley and John Henry Butterworth.
Alongside the initial series announcement, it was reported that Nicole Kidman was cast in a lead role. In addition to her executive producing announcement, Melissa McCarthy had also joined the cast in a starring role. On May 27, 2020, Manny Jacinto joined the main cast. In June 2020, Asher Keddie and Luke Evans were cast in starring roles. In July 2020, Melvin Gregg, Samara Weaving, Grace Van Patten, Tiffany Boone and Michael Shannon joined the main cast. In August 2020, Regina Hall and Bobby Cannavale were cast in starring roles. On October 22, 2020, Hal Cumpston joined the cast in a recurring role. On November 19, 2020, Zoe Terakes was cast in a recurring role.
The series follows Nine Australians from different walks of life attending a pricey 10-day “Mind and Body Total Transformation Retreat” at a place called the Tranquillum House run by a mysterious Russian woman named Masha. But things are not what they seem as Masha’s transformation sessions reveal ominous revelations about the retreaters and about the Masha herself.