Douglas Quaid is a fictional character from the 1990 science fiction film Total Recall, directed by Paul Verhoeven. He is portrayed by actor Arnold Schwarzenegger. Quaid is a construction worker who experiences recurring dreams about Mars and decides to undergo a memory implant procedure to explore these fantasies. As the story unfolds, Quaid discovers that his life is not what it seems, leading him to question his identity and reality. The film explores themes of memory, identity, and the nature of reality, making Quaid a central figure in this thought-provoking narrative.