In Treatment Cast

Gabriel Byrne portrays the role of Dr. Paul Weston, a dedicated therapist who navigates the complexities of his own personal life while trying to help his patients.

Uzo Aduba takes on the character of Dr. Brooke Taylor, a skilled and compassionate therapist who provides support and guidance to her clients in her sessions with them.

Julia Campbell portrays Olivia, one of Dr. Paul Weston's patients. Olivia seeks therapy to explore and confront the challenges in her own life, as she navigates relationships and personal growth.

Lauren Hodges steps into the role of Natalie Barnett, another patient of Dr. Paul Weston. Natalie brings her own unique set of issues and struggles to therapy, as she works through them with Dr. Weston's guidance.

Peter Horton embodies the character of Zach, who seeks therapy to address his own personal demons and find ways to overcome the obstacles in his life through the sessions with his therapist, Dr. Paul Weston.

Jake Richardson plays the role of Ian Weston, Dr. Paul Weston's teenage son. Ian's presence in the series allows for exploration of the complexities that arise within the doctor's personal life and the impact they have on his professional practice.

Chris Heuisler appears as the Man, a character who interacts with Dr. Paul Weston while offering a unique perspective on therapy and the challenges faced by those seeking mental health support.

Laila Robins takes on the role of Tammy Meswick, a former patient of Dr. Paul Weston who returns to therapy seeking assistance with new challenges. Tammy's storyline provides insight into the long-term effects of therapy and the ongoing nature of personal growth and healing.