 Hector made his American radio debut on WJZ in New York in 1924, and played many roles on American radio including Long John Silver and William Tell.Hector worked regularly as a radio performer in the 1930s, often portraying Sir Arthur Conan Doyle's protagonist, Sherlock Holmes.Hector was chosen to play Holmes in an early NBC experimental television broadcast of "The Three Garridebs" on November 27, 1937.