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.
"Just give me two seconds, alright, you mad bastard!" - Montgomery Scott, Star Trek Into Darkness