Star Trek The Next Generation - Dyson SphereCharles R. Pellegrino, George ZebrowskiStar Trek, book 50

Characters in Star Trek The Next Generation - Dyson Sphere

2 characters, main characters first.

Main characters

Jean-Luc Picard
Also in Captain's Peril, Star Trek - Mirror Universe - Spectre, Star Trek - Vulcan's Soul - Epiphany, The Death of Princes, The Hand of Kahless, Federation

Antagonists

Borg
Also in Star Trek Explorer - "Q And False" And Other Stories, Star Trek Explorer - The Mission and Other Stories, Star Trek Voyager - The Nanotech War