Smashing Barriers is a lost 1919 15-part serial directed by and starring William Duncan. It was produced and distributed by the Vitagraph Company of America.
This serial was condensed down to a 6-reel feature and rereleased by Vitagraph in 1923 under the same title.
There are 76 films with the same actors, 10 films with the same director, 30647 with the same cinematographic genres (including 786 with exactly the same 3 genres than Smashing Barriers), to have finally 70 suggestions of similar films.
If you liked Smashing Barriers, you will probably like those similar films :
As described in a film magazine, a valuable mineral is found in only one California mine is necessary in the manufacture of a new explosive and is desired by the Central Powers. The secret is described in papers held by Nan (Holloway) who is repeatedly captured by the henchmen of German spy Von Bleck (Rogers) and rescued by mining engineer John Gwynn (Duncan).