The primary antagonist and Emma's great-aunt’s widower, who resides in Lapis Lazuli House, characterized by his petty and spiteful actions against Emma.

Emma’s maternal aunt, a formidable and controlling figure who views family through duty and social advantage, enlisting Emma for a social campaign.

Emma’s wealthy and sophisticated cousin and closest ally, offering emotional support and practical assistance as Emma navigates her struggles.

Emma’s best friend from school, a droll and unconventional typist for the Edison Telephone Company, embodying women's independence with her modern lifestyle.

The vicar of St. Crispian’s, described as enigmatic and theatrical, offering Emma moments of rare engagement and understanding.

A mysterious new arrival at Lapis Lazuli Minor, adding intrigue and potential significance to Emma's life with a striking physical presence.

The domestic staff at Lapis Lazuli House, with Agnes loyal to Emma and Parian allied with Archibald, highlighting the household's internal divisions.