Dossier on Dumetrius is a 1951 Australian radio serial by Lindsay Hardy.
[2] It was hugely popular and was adapted into a book and a film.
[3][4] The lead role was played by Bruce Stewart who became an important writer.
[5] Major Keen of MI5 tracks down the criminal Dumetrius.
Hardy adapted the serial into a 1953 novel Requiem for a Redhead.