Indisputably the most popular character of color out of the Star Trek franchise, Nichols' portrayal of Uhura was one of the first breakthrough African American characters on television and influenced generations of leaders in science, civil rights activism, and sci-fi fans.
Whoopi Goldberg as Guinan
Star Trek: The Next Generation (1988-1993)
Guinan was a bartender on the Enterprise, an El-Aurian (a race of listeners), and close companion to Jean-Luc Picard (Patrick Stewart). She had a mysterious, wise demeanor and a rich backstory that made her a full and complete character in the series. Guinan's presence spread the span of the show's run, appearing in a total of 28 episodes.
Appearing in a first season episode, "Where no One Has Gone Before," Dillard played a command division ensign who desired to be a ballerina and entered a section of space where that desire became a reality.
Lanei Chapman as Ensign Sariel Rager
Star Trek: The Next Generation (1991-1992)
In her few appearances, Rager has had quite the adventure as a ship pilot and abductee. Doesn't sound like much, but considering the odyssey Star Trek is known for being, her characters feat in those positions made her an important element in the story's arc for her four episode appearance.
Penny Johnson as Kasidy Yates
Star Trek: Deep Space Nine (1995-1999)
Not only the eventual wife of Captain Benjamin Sisko, but also a freighter captain and baseball player. Her high profile transporter reputation did land her in some hot water here and there as those who would do wrong used her status for their own motives. Despite it all, Sisko and Yates' relationship moved forward, but not without its share of trials and eventually sorrow. This is probably one of the first and only times 'Black love' played a large role in the Star Trek universe.
Fran Bennett as Fleet Admiral Shanthi
Star Trek: The Next Generation (1991)
Shanthi was intricate in certain decisions made with Captain Picard during the Klingon Civil War. Not much is known about her but she seemed to be a noble leader.
April Grace as Ensign Maggie Hubbell
Star Trek: The Next Generation (1990-1992)
Mostly known for being a transporter and unfortunately not much else. With such a broad universe and mythos to cover, it's not uncommon to have many characters are who only there to aid the larger story and main characters. Maggie was one of the casualties of this crack.
Deborah Lacey as Sarah Sisko
Star Trek: Deep Space Nine (1998-1999)
Sarah was Captain Benjamin's mother who appeared in the show's final season. She played a significant role in revealing and aiding Benjamin in his final destiny to defeat the Pah-wraiths.
Zoe Saldana as Nyota Uhura
Star Trek (2009) & Star Trek: Into Darkness (2013)
The Star Trek update in film form has been very divisive. The same can be said for Saldana's performance and then some. Personally, she fulfilled the role for the 21st century and new audiences. She didn't shine nor offend any sense of enjoyment I received, mainly from the 2009 film. Into Darkness for me was just a miss that I barely recollect.
Aisha Hinds as Bridge Officer Darwin
Star Trek: Into Darkness (2013)
Showing itself to be the truly unremarkable film I found it to be, I didn't even remember Hinds being on deck. Sure, her role was small but I'm not one to forget a face easily. She replaced Chekov in his former role and aligned herself with Sulu against Spock's orders to abandon ship.
Feel free to fill me in on more of these ladies and anyone I might have missed! I'm a Star Trek novice at best.