Throughout his thirty-five-year career in film, Reed Hadley mostly played characters who were either in law enforcement or who were criminals. He provided narration for a fair number of documentaries including many produced by the U.S. government.
Hadley is probably best known for his work in classic TV shows including Racket Squad (1950-1953) & The Public Defender (1953-1954). He also worked on the Red Ryder radio show during the 1940s. In films his best well known role was his starring turn as Zorro in the 1939 serial Zorro's Fighting Legion.