An army doctor who acts as a mediator between the polar opposites in the story, Samoylenko is a generous but uncritical figure. He is known for his hospitality and traditional values, often serving others and becoming involved in their personal affairs.

A character closely linked to Laevsky, she struggles with dreams and reality, balancing feelings of lightness and heaviness. Nadyezhda Fyodorovna holds a romanticized view of herself and must confront her limitations in society.

A natural scientist whose positivist materialism influences his worldview, Von Koren applies his beliefs in social Darwinism to human interactions. His character embodies a commitment to work and observation, challenging others to reevaluate their lives.

A humorous observer from a similar class background as Von Koren, Pobyedov introduces levity to the story. He engages in fantasies but remains passive, providing a counterbalance with his perspective on life's uncertainties.