Timofey is a 52-year-old assistant professor of Russian at Waindell College. A Russian émigré who fled the Bolshevik Revolution, his life is defined by a deep sense of displacement and a constant, comical struggle with the English language and American customs. Despite his bumbling exterior, he is a dedicated humanistic scholar harboring unhealed emotional wounds from a tragic past and lost loves.

An assimilated Russian émigré and writer who serves as the storyteller of Pnin's life. He presents himself as an omniscient observer with intimate knowledge of the professor's past and present. Through his detailed descriptions, he maintains absolute control over how Pnin's struggles and eccentricities are perceived by others.

Liza is Pnin's ex-wife, a psychotherapist, and a writer of mediocre poetry. She is highly manipulative and performative, often using intellectual pretense as a means of self-dramatization. Having repeatedly abandoned Pnin for other men, she views him merely as a transactional resource rather than a person worthy of genuine empathy.

Victor is the 14-year-old son of Liza and Dr. Eric Wind. Unlike his psychoanalyst parents, he is quiet and exceptionally gifted as a visual artist. He possesses an emotional maturity and perceptive intelligence that sets him apart from the adults around him, finding aesthetic meaning in the physical world.

Dr. Hagen is the head of the German and Russian Department at Waindell. On the surface, he serves as Pnin's most steadfast protector against the petty politics of the campus. However, his loyalty is fundamentally tied to his own professional convenience, making his support conditional in the face of academic climbing.

Jack is the chairman of the English Department at Waindell College. He represents the callous, solipsistic nature of the academic environment. Devoid of empathy for Pnin's tragic past, Jack reduces his colleague's linguistic struggles and deep displacement into an extended, mocking parlor trick for the entertainment of others.

Laurence is a reclusive, formidable philosophy professor at Waindell College. Though initially hostile to having a man he considers a freak in his home, Laurence discovers a shared appreciation for obscure, natural scholarship. He becomes one of the few academics who genuinely respects Pnin's intellect.

Joan is Laurence's friendly and pragmatic wife. She extends genuine kindness to Pnin, though her affection is tinged with condescending pity. Viewing him as a pathetic and fragile figure, she adopts a maternal role, subtly treating him as a replacement for her absent daughter in their household routine.

Mira was Pnin's first love in pre-revolutionary Russia. Her tragic murder by the Nazis in a concentration camp represents Pnin's deepest, most unspeakable trauma. She remains a haunting, idealized presence in his mind, symbolizing a pure, lost world that history violently destroyed.

Dr. Wind is Liza's current husband and a psychotherapist. Like his wife, he relies heavily on psychoanalytic theories to interpret the world, often failing to connect with his own son in the process.

An Austrian scholar at Waindell College, Bodo represents the bureaucratic and physical displacement Pnin suffers within the academic world. His arrival marginalizes Pnin in the one space he considered a sanctuary.

Leonard is the head of the French Department at Waindell. He embodies the absurd, faddish nature of the college's pedagogy, famously rejecting Pnin as a candidate specifically because Pnin speaks fluent French, which violates the department's modern teaching rules.

Also known by the anglicized name Al Cook, Alexandr is the owner of The Pines, a rural retreat that serves as a sanctuary for elderly Russian intellectuals seeking to preserve their pre-revolutionary culture.

Roza is a fellow Russian émigré whose casual mention of Pnin's former sweetheart shatters his carefully constructed emotional defenses, forcing him to confront the horrors of the Holocaust.

Isabel is the recently married daughter of Laurence and Joan. Her sudden return to Waindell signifies the end of Pnin's brief period of domestic stability, forcing him to seek new lodgings.

An anthropologist at Waindell College who secures grants for obscure, seemingly trivial research. Pnin invites him to his housewarming party out of a whimsical desire to better understand him.

Oleg is a Russian colleague of Pnin's who performs a sanitized, phony version of Russian culture, complete with folk songs and vodka rituals, to entertain his American peers, contrasting with Pnin's genuine sorrow.

Also known as Mrs. Thayer, she is the Waindell College librarian who helps untangle the comedic, bureaucratic mess surrounding Pnin's mistakenly requested volumes of the Soviet Gold Fund of Literature.

A mute and mournful academic at Waindell, Roy is a fixture at faculty gatherings and represents the isolated, slightly absurd nature of the college's social life.

Pnin's father was an ophthalmologist in pre-revolutionary Russia. He is remembered as a figure of authority and comfort from a lost, idealized childhood that was permanently erased by history.

Mr. Lake is an art teacher who recognizes and nurtures Victor Wind's extraordinary visual talent, teaching him to break objects down into their reflected surfaces rather than relying on standard perceptions.

Grigoriy is a childhood friend of Pnin's from St. Petersburg who participated in staging amateur theatricals during their youth.

The wife of Jack Cockerell. She shares in her husband's social life on the Waindell College campus, entertaining guests while he performs his cruel impersonations.

The wife of Oleg Komarov. Together, they perform an idealized, superficial version of Russian culture for their American academic peers.

Liza Wind's new lover. She brings him up while seeking financial help from Pnin, using the affair to dramatize her failing marriage to Eric.