Not sure if he still is, but he used to be known as Two-Takes Frakes, because he was that efficient as a director.
Batman and Kirk were in a TV pilot before Star Trek or Batman came out about Alexander the Great if that counts. You could pretend it was an elaborate holodeck program.
Works for a first era crossover. Whereas, we'd need Conroy to show up in DS9 as a Bajoran vigilante/dilettante.
This has the same energy as Tom Scott's intro compilations where he tells everybody where he is.
Pseudo-obligatory Johnathan Frakes asking What the Hell...?
It gives me great pleasure that I requested this montage on reddit and General Pedrowsky compiled it within just a few hours.