Patrick Dempsey, famously known for his role as Dr. Derek Shepherd in 'Grey’s Anatomy', has made a significant return to television with an ambitious character in the series 'Memory of a Killer'. This new role is notably different from his previous work, as it portrays him as a hitman grappling with the early stages of Alzheimer's disease. The series showcases a blend of thriller, family drama, and investigative procedural, centering on how a neurodegenerative illness affects one's day-to-day life and relationships.

In discussing his return, Dempsey highlighted the complexity of the character as a major draw for him, pointing out that he doesn't often receive offers for such intricate roles. The portrayal of both a criminal past and the gradual decline of mental faculties allows him to explore a range of emotions and experiences that are rarely depicted on screen. He emphasized how intrigued he was by the dual nature of the character, grappling with both his profession as a hitman and the struggles of living with Alzheimer's.

The opportunity to take on such a challenging role came unexpectedly, with Dempsey making his decision to participate within a short 24-hour timeframe. The collaboration with Fox on this production marks a notable shift in his career, as he delves into themes of mental health and the human experience, pushing the boundaries of his acting capabilities while bringing awareness to the impact of Alzheimer’s disease on individuals and families alike.