Sylvie Lenoir is a central figure in the action video game *The Saboteur*, set during World War II. A British national, she operates in Paris as an agent for the Special Operations Executive (SOE), the United Kingdom's secret service, tasked with supporting and organizing French Resistance cells against the Nazi occupation. Throughout the narrative, Lenoir is distinguished by her strategic skill and efficiency in espionage operations. Her work involves planning crucial missions, providing vital intelligence, and acting as a key contact for the protagonist, Sean Devlin, guiding him through numerous sabotage operations. Although she is a fictional character, within the plot she is recognized as one of the most brilliant and courageous minds in the Parisian underground network, whose contribution proves indispensable to weakening German control over the city and to the final success of the Resistance.