Yes, I was going to chime in that the only real way to do this would be to use a pulsed laser, as the objects would be the smoke floating in air to show where the beam is. Plus the "beam" that appears to come out of the pointer would have to be derived from the laser that is doing the holographic recording.
And yes, one can make a hologram of a hologram, it is done all the time in getting an image to straddle the film plane.
I know what I want and I know how to get it
I want to destroy passersby! - Sex Pistols