Re: Why was there never a major Romulan character in a Star Trek TV sh
Saavik was originally in TWOK, but that was later retconned in TSFS and TVH in favour of making her full Vulcan.
I don't think there's anything on-screen that would contradict her being half-Romulan.
"If we're going to be damned, let's be damned for what we really are." - Jean-Luc Picard, "Encounter at Farpoint"