On Guard, also listed as On Guard!, is a 1927 American drama film serial directed by Arch Heath. It is considered to be lost.
Contents
Cast
Cullen Landis as Bob Adams
Muriel Kingston as Betty Lee
Louise Du Pre as Catherine Nevens
Walter P. Lewis as James Stagg
Tom Blake as Sergeant Major Murphy
Charles Martin as Colonel King
Edward Burns as Jackson
Jack Bardette
Gus De Weil
Tom Poland
Harry Semels
George F. Kelley
Hal Forde
Chapter titles
Enemies Within
Deception
Silent Evidence
The Sinister Warning
False Orders
Stolen Papers
Hidden Watchers
The Counterplot
The Air Battle
Foiled
Production
The serial was partially shot on location at Fort Hoyle and at an unnamed studio on Long Island.