Julia Roberts's 4 syllables (2 + 2) hit the Hollywood sweet spot.
Julia's 2 beats vs. Roberts's 2 create a natural cinematic snap.
Julia Roberts's softer consonants cost it screen presence.
Julia Roberts misses the alliteration hook that makes names stick.
Julia (5 letters) and Roberts (7) are balanced in length — clean on any poster or marquee.
Julia Roberts has mostly familiar phonemes with a few tricky patterns.
Julia Roberts's open vowels roll off the tongue — warm and screen-ready.