"The Miracle Worker" is a play about Helen Keller and how her life changes when Annie Sullivan arrives.
Viney is a servant in the Keller household. She has two children, Martha and Percy. Viney is a kind and considerate person. She notices that Kate Keller is spending a lot of time focusing on Annie's upcoming arrival. Viney suggesrs that she rest. Viney is also aware of Helen. She notices that Helen has been wandering around upstairs. Helen is aware that someone is about to arrive. Viney helps to care for Helen.
Percy and Martha are Viney's children. They are described as being black. Both children play with Helen, but sometimes the siblings bicker. Percy is sometimes annoyed by Helen's unusual behavior. Martha, on the other hand, is more caring toward Helen. When Helen tries to bite her own fingers, Martha shows concern.
James Keller is Helen's older half-brother. His mother was married to Captain Keller until she died. He is described as being "an indolent young man" (Act I, Scene II). James is often aloof toward Helen's behavior. He can be irritable and even rude. He tells his father that he should put young Helen into an insane asylum.