There is no such character named Sa on Star Trek.
Commander William Riker in Star Trek: The Next Generation .
Spock .
the Borg was a character in the iconic show star trek, they were a feared species- hence the famous sentence "you will be assimilated, resistance is futile".
Jean Luc Picard appears in the following Star Trek movies:* Star Trek: Generations * Star Trek: First Contact * Star Trek: Insurrection * Star Trek: Nemesis
Yes, Sulu is a character from Star Trek. He is a skilled helmsman and one of the main characters in the original Star Trek series portrayed by actor George Takei.
There was no character named Andra in the original series.
Bilbo Baggins is a character in Tolkien's Lord of the Rings Series. He does not feature in Star Trek.
Lt. Commander Data is the main android character in Star Trek: The Next Generation.
The Vulcan actress you are referring to is Roxann Dawson, who played the character B'Elanna Torres in "Star Trek: Voyager." However, the character you might be thinking of from "Star Trek: The Next Generation" is Dr. Beverly Crusher, played by Gates McFadden. If you meant a Vulcan character in TNG, that would be T'Pol, but she was featured in "Star Trek: Enterprise," not TNG.
No, but he was in Star Trek VI: The Undiscovered Country. In it, Michael Dorn played "Colonel Worf", believed to be the grandfather of the Worf character he played on Star Trek: The Next Generation and Star Trek: Deep Space Nine.
I believe you are referring to Warf from Star Trek: The Next Generation. This character is played by Michael Dorn.