The Canadians have discovered a valuable substance called Compound X, which can cure infantile paralysis. When a country at war with Canada learns that Compound X also contains magnetic properties that could aid them in their warfare against the British, they send agents to infiltrate Canada and steal a large quantity of the substance. It's up to Sgt. King (Allan Lane) and his Mounties to track down the agents and put an end to their scheme.
as Dave King
as John Kettler
as Tom Merritt, Jr.
as Linda Merritt
as Ross King
as Wade Garson
as Matt Crandall
as Vinegar Smith
as Tom Merritt Sr.
as Shelton
as Wall
as Zarnoff
as Johnson
as Tarner
as LeCouteau
as Higgins, Cabin Henchman
as Joe - Smelter Truck Driver
as Henchman Mike
as Fake Inspector Kent
as Kelly - Miner
as Sergeant - Wireless Operator
as Smelter Heavy #2
as Paralytic #3
as Klondike
as Mills
as Major Harold Bolton
as Pete
as Const. MacCloud
as Paralytic #2
as Blake - Gang Pilot
as Knife Heavy
as Train Brakeman
as Constable Doyle
as Fake Inspector Dinwoodie
as Const. Carter
as Sanitarium Heavy
as Corporal Bob Hastings
as Paralytic #1
as Henchman Red
as Smelter Heavy #1
as Henchman Al
as Henchman Bayliss
as Const. Hallett
as Gang Radioman
as Brant - Speedboat Driver-Thug
as Lieutenant
as Bill - Sanitarium Heavy
as Paralytic #4
