Secret Agent X-9

Directed by Ford Beebe, Clifford Smith

Written by Wyndham Gittens (story & screenplay), Norman S. Hall (story & screenplay), Charles Flanders (news feature)

Cast: Scott Kolk as Agent Dexter (X-9), Jean Rogers as Shara Graustark, David Oliver as Pidge, Monte Blue as Baron Michael Karsten

Released 1937

A 12-episode serial which has Secret Agent X-9 on the trail of a gang of the notorious jewel thief known as "Brenda". The gang has absconded with the crown jewels of the European nation of Belgravia.