Sky Bandits

Alternate title: Gunbus. The story begins in about 1917 with the two heroes, Barney and Luke, blowing up banks in the West. Then Barney and Luke are mustered into the Army and sent to France, where they are promoted to pilot training. The Germans unveil a large dirigible, and Barney and Luke are assigned to find the airship and destroy it.

At 35:30, Billy Gray, age 72 when filmed, is seen juggling 3 clubs for 4 seconds inside the circus tent.