David Alan Grier as Charlie | The Patient on FX
David Alan Grier
As Alan’s former therapist and mentor, "Charlie Addison," portrayed by David Alan Grier, often prods Alan by asking uncomfortable but critical questions. He serves as both a guiding light and a coping mechanism for Alan in his new reality.
as Alan Strauss / Executive Producer
Effectively sleepwalking through life, everything changes when he meets an enigmatic new client.
as Sam Fortner
Underneath his quiet exterior lurks a dangerous unpredictability that he tries to manage through therapy with Dr. Alan Strauss.