This document summarizes the characters and themes in Thomas Hardy's novel The Mayor of Casterbridge. It outlines the major characters including Michael Henchard, Elizabeth-Jane, Susan Henchard Newson, and Donald Farfrae. It also describes the themes of marriage, love, memory and the past, man and the natural world, fate and free will, and dissatisfaction. The conclusion discusses how Henchard is a tragic hero beaten by circumstance but blind to his own weaknesses due to his strong passion.