Henry St. George Brooke was born in Atlanta, Georgia. After two years in London, England and four years in Atlanta, Brooke's family moved to Washington, DC, where he attended St. Albans School. After high school, Brooke attended Northwestern University, where he played Division I baseball and studied Political Science, International Studies, and Slavic Languages and Literature. During college, Brooke's studies led him to Moscow, Russia, where he conducted original research in Russian that served as the basis for his article published in the journal, Problems of Post-Communism. In 2016, Brooke moved to Los Angeles, California to pursue a career in film and television acting.