Vanya – Sonya’s uncle, embittered over lost opportunities, has long been eking out an existence and sending money to support the Professor who was once married to his now-deceased sister. Like Dr. Astrov, Vanya is also “taken” with the Professor’s new wife, the beautiful Yelena.
Dr. Astrov – Environmentally conscious and eccentric family physician and friend who falls in love with the Professor’s young wife, Yelena.
Yelena – The beautiful new wife of the Professor. Bored with her marriage and life, she becomes infatuated with the altruistic, charismatic, Dr. Astrov.
Professor – Vanya’s brother-in-law. Sonya’s father. A failed scholar embittered by onset of old age, newly married to the beautiful and alluring Yelena.
Telegin (Waffles) – A distant family relative and neighbor, well-intentioned and oft-ignored.
Mother – Sonya’s grandmother, Vanya’s mother, she also lives on the estate and works to support the Professor who is her son-in-law by marriage to her deceased daughter.
Nanny – Sonya’s nanny of many years.