The Tennis Legend Who Became A Spy

Between 1936 and 1940, Alice Marble dominated tennis with 18 Grand Slam titles. Yet, she abruptly left the court to conduct dangerous undercover espionage for the Allies during World War II.

After achieving world number one status, Marble pivoted from winning championships to risking her life in Switzerland. She utilized her fame as a cover to gather high-level intelligence from a Nazi banker. Her daring mission almost cost her everything when she was shot by a German agent while attempting to escape. Her story remains a rare example of a top athlete operating deep behind enemy lines.