He never physically appears in the story, he dates Amber shortly after she broke up with Stanley. The manager is described as being tall and fit, he has a sports car and is wealthy.
Katie is the server of the City Diner, a restaurant Stanley frequents. She has blue eyes, and Stanley thinks that she is pretty. She takes concern over Stanley when he falls ill. Stanley plans to ask her out.
Stanley's boss is unnamed. When Stanley asks him some questions about the job, the boss responds vaguely.
He is short and bald.
Stanley's nurse is unnamed. Stanley refused to go to a doctor, so he sees a nurse. The nurse finds blood in his throat. She gives Stanley some antibiotics and tells him to see a doctor.