Leslie Vanderkellen

Leslie Vanderkellen arrives at the Stratford Inn as its live-in maid, though anyone can see she has never made a bed in her life. An heiress slumming for real-world experience, she is cheerful, well-meaning, and hopelessly out of her depth, treating chores like an anthropology field trip among people less fortunate than herself.

The joke is precise: a girl of enormous privilege trying on ordinary work like a costume, and Jennifer Holmes plays her without a trace of malice, so the comedy stays affectionate rather than mean. Her chirpy obliviousness sets the template the show would keep mining, needing a blue blood permanently baffled by the help she's supposed to be.