A character within the hospital who mentors Roy with an unorthodox but effective treatment philosophy, later revealed to be compassionate towards both patients and interns.

Roy’s clinical psychologist girlfriend who supports him in understanding his emotions, often counterbalancing his focus on physical health with an emphasis on mental well-being.

Roy’s laid-back intern colleague from Memphis who practices medicine more intuitively and plans to return home after their internship year.

A resident who supervises interns and serves as a foil to the Fat Man, characterized by her serious demeanor and preference for aggressive medical care.

Initially comic relief characters who later emphasize the importance of psychological understanding through their decision to become lay analysts.

A girlish yet sexually sophisticated character associated with the hospital, serving as a foil to Berry by focusing on the physical rather than the psychological.

A character who appears during Roy's time in the ICU, promoting heart health and hobbies as essential for well-being but ultimately fails to help Roy with his emotional struggles.