Perry 'Matchless' Liston
Arabella
Gregori Andreanu
Hank Norris
Tipsy
General Shapiro
Colonel Coolpepper
Hogdon (as Lewis Jordan)
O-Lan (as Elisabeth Wu)
A secret agent possesses a ring that makes him invisible for a short time, once every 10 hours. He is in pursuit of an evil criminal mastermind but, at the same time, must evade an enemy agent who also wants the ring.