An English actress in Berlin, known for her emerald green painted fingernails and a penchant for discussing lovers and leading a decadent lifestyle. She becomes friends with Isherwood through their mutual friend, Fritz Wendel.

Natalia Landauer's cousin and a co-manager of the family store, Landauers’. He is described as enigmatic and soft-spoken, with a layer of restlessness to his personality.

An 18-year-old who behaves like a bossy elder sister to Isherwood and engages in discussions about art and literature. She is a foil to Sally Bowles, showcasing a quieter and more reserved personality.

A young, working-class Berliner with a "face like a very ripe peach" whom Isherwood meets at a beach house on Ruegen Island. He is depicted as flirtatious and lazy, often leading others along.

Otto Nowak’s mother, who offers Isherwood a place to stay and feels conscious about their poverty. She is the glue of the Nowak family and suffers from poor health exacerbated by their situation.

Isherwood's landlady, known for her involvement in her tenants' lives and fondness for Isherwood. She is portrayed as gossipy and comical, often acting as a protective figure.

A friend of Isherwood whom he meets on Ruegen Island. He is infatuated with Otto and described as thin, dark, and nervous, often feeling passive-aggressive toward Otto.

A tenant of Frl. Schroeder, known for her outspoken Nazi beliefs and anti-Semitic remarks. Frl. Schroeder holds her in awe despite not particularly liking her.

A tenant of Frl. Schroeder and a drink mixer at a bar, who flirts with various characters and is described as an expert on sexual questions. Bobby's identity is closely tied to his job.

A tenant of Frl. Schroeder, working as a prostitute. Though Frl. Schroeder does not object morally to her profession, she uses it against Frl. Kost during arguments.

One of Sally Bowles's lovers and her pianist, who leaves for a job in England. He reports back to Sally about meeting another woman there.

A friend of Isherwood and a connoisseur of Berlin nightlife who introduces Isherwood to many people in the city, including Sally Bowles.