White Phantom (1987)

A group of camouflaged ninjas stealing a small case of plutonium from a transport vehicle in broad daylight in California. Back in his office in Sanzhi, Taiwan, The Colonel (Bo Svenson) receives word of the heist and the top suspect is the Sakura family. Selected for the job of locating this stolen nuke material is Mai Lin (Page Leong), an informant/dancer. Willi (Jay Roberts, Jr.), a drunken American playboy who is prone to playing the harmonica teams up with Mai Lin. Willi also just happens to be a white ninja.