This trivia post has multiple parts:

What is the only Star Trek series to have lyrics to its opening title?

What is the name of the Vulcan crew member?

What is the actress' real name?

What is her natural hair colour?

What person, associated in some way or another with every other Trek series, is notably abscent from dealing with this one?

What is the only Star Trek series to have lyrics to its opening title?

Enterprise

What is the name of the Vulcan crew member?

SubCommander T'Pol

What is the actress' real name?

Jolene Blalock

What is her natural hair colour?

Blonde

What person, associated in some way or another with every other Trek series, is notably abscent from dealing with this one?

Majel Barrett

YEAH!! Excellent! You must be a Trekkie too

According to www.imdb.com, The series' opening credits has lyrics that were never used. They were written by Gene Roddenberry so that he would receive a residual for the theme's use alongside the theme's composer, Alexander Courage. Further, I have heard these lyrics sung, possibly by Nichele Nichols.

Further information about the original Star Trek TV series and its theme, including the words.

Another reference to both Rodenberry's lyrics, and Nichols' version with different lyrics.

Nichelle Nichols' s album of Star Trek music is titled "Out of This World" and is on the Crescendo label. (GNP Crescendo Records : GNPD-2209)
The playlist is as follows:
1. You're Out of This World
2. Gene
3. Uhura's Theme
4. Beyond Antares
5. Star Rock
6. Hauntingly
7. Ancestry
8. Theme from "Star Trek"
9. Rock the World
10. Gene (Poetry)
11. Nichelle Nichols Interview

Album by Judy Roberts with Roddenberry's lyrics:
Watercolors / JUDY ROBERTS

2000 Planet Jazz Records : CD3816
Amazon.com

The vocal version with lyric by Gene Roddenberry. The tune is in the style of jazz/contemporary.

Well that is interesting! I never knew that (being a fan of all series except original and DS9--I don't know as much about those). Thank you for sharing all that!