Perils of the Secret Service

Directed by Jack Wells, Hal Mohr

Written by

Cast: Kingsley Benedict as Yorke Norroy

Released 1917

According to IMDB: A nine-episode series of two-reel adventure stories:
The Last Cigarette
The Clash of Steel
The Dreaded Tube
The Crimson Blade
The Man in the Trunk
The Signet Ring
The International Spy
The Master Spy
The Mysterious Iron Ring
These were all silent films.