On Guard (serial)

{{Infobox film

| name = On Guard

| image = On Guard (1927) - 1.jpg

| caption = Advertisement

| director = Arch Heath

| producer =

| writer = Paul Fairfax Fuller
Robert Glassburn

| starring = Cullen Landis
Muriel Kingston

| cinematography =

| editing =

| distributor = Pathé Exchange

| released = {{film date|1927|1|30}}

| runtime = 10 episodes

| country = United States

| language = Silent (English intertitles)

}}

On Guard, also listed as On Guard!, is a 1927 American drama film serial directed by Arch Heath. It is considered to be lost.{{cite web |url=http://www.silentera.com/PSFL/data/O/OnGuard1927.html |title=Progressive Silent Film List: On Guard |access-date=February 16, 2008|work=silentera.com}}

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.{{Cite book |last= |url=https://archive.org/details/motionpicture34moti/page/n449/mode/2up |title=Motion Picture News |date= |publisher=Motion Picture News |others= |location=New York |publication-date=December 4, 1926 |pages=2155 |language=en}}