Walter Fane is a fictional character from the novel "The Painted Veil," written by W. Somerset Maugham. He is a British doctor who works in China during the early 20th century. Walter is portrayed as a complex individual, struggling with his emotions and moral dilemmas, particularly in relation to his wife, Kitty Fane. In the story, Walter's life takes a dramatic turn when he discovers Kitty's infidelity. This leads him to make a bold decision to take her to a remote village affected by a cholera outbreak. Throughout their journey, Walter's character evolves as he confronts personal challenges and seeks redemption, ultimately revealing deeper themes of love and sacrifice.