Ben Lovatt - The protagonist of the novel, Ben is an unusual and misunderstood character. He is physically different and mentally impaired, which makes it hard for him to fit into society. Throughout the story, Ben's journey highlights his struggle for acceptance and understanding in a world that views him as an outsider.

Mrs. Biggs - A kind-hearted woman who takes Ben in and tries to help him. She provides him with a sense of stability and care, despite the challenges he presents.

Rita - A compassionate prostitute who befriends Ben. She sees beyond his differences and treats him with kindness and respect.

Teresa and Johnston - A couple who exploit Ben for their own gain. They manipulate and take advantage of his naivety and physical strength.

Alex - A scientist who becomes interested in studying Ben, seeing him as a subject for research rather than as a human being with feelings and needs.

James - A businessman who attempts to use Ben for his own commercial purposes, further highlighting the theme of exploitation in the novel.