Ruthless in Purpose, and Insidious in Method

Overview

When Rachel makes a promise to Sarah, it comes with a hefty price. Meanwhile, Helena and Gracie work with the Hendrixes, and Donnie takes Kellerman to task. Over at Castor, Coady and Benchman scheme to track down the Castor Original, and Rudy descends on DYAD for a much needed asset.

Guest Stars

Josh Vokey

Scott Smith

Millie Davis

Gemma Hendrix

Zoé De Grand Maison

Gracie Johanssen

Tom McCamus

Dr. Alan Nealon

Kyra Harper

Dr. Virginia Coady

Justin Chatwin

Jason Kellerman

Rosemary Dunsmore

Professor Susan Duncan

Allen Keng

Painmaker