"Star Trek: Deep Space Nine" is unique in the "Star Trek" canon for many reasons, not least of which was the size of its ensemble. In 1966, only three of the original show's actors were credited as leads (William Shatner, Leonard Nimoy, and DeForest Kelley). In 1987, "Star Trek: The Next Generation" had a pretty healthy seven-person troupe, all of them sharing top billing. While "Deep Space Nine" only had eight of its actors listed above the line, the show was so ambitious and expansive that it ended up with over two dozen lead characters.

Case in point was Nog (the late Aron Eisenberg). Nog, a Ferengi, was introduced in the "Deep Space Nine" pilot as the irascible, trouble-making nephew of Quark (Armin Shimerman), a bar-owner and legit criminal. Nog would eventually become best friends w

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