Remember when bargain basement Tom Paris almost got Wesley kicked out of Starfleet Academy? In 1992, The Next Generation episode “The First Duty” featured a scandal involving a character with a face that became very familiar to Trek fans... three years later. Robert Duncan McNeill played the ambitious Nick Locarno before getting the role of Tom Paris in Voyager; as fans might know, Tom Paris was modeled on Nick Locarno, which makes the fact that these two rogue Starfleet characters are played by the same person a bit confusing canonically.
