Holly Martins is a fictional character from the 1949 film The Third Man, directed by Carol Reed. He is an American writer who travels to post-World War II Vienna to visit his friend, Harry Lime, only to discover that Lime has died under mysterious circumstances. Holly becomes embroiled in a web of intrigue as he seeks to uncover the truth about his friend's life and death. Throughout the film, Holly is portrayed as a somewhat naive and idealistic character, contrasting with the darker elements of the story. His journey leads him to confront moral dilemmas and the complexities of friendship, ultimately shaping his understanding of loyalty and justice.