The Actor feat is actually quite powerful for social infiltration, because it strengthens your ability to maintain convincing disguises in multiple ways. You'll get that nice +1 to Charisma (this can take you up to 20, which is really helpful for any social character), and what's particularly interesting is how it doubles your proficiency in both Deception and Performance checks - even if you didn't have those skills to begin with!

When you're trying to talk your way past guards or maintain a cover story, those doubled proficiency bonuses make a huge difference in convincing others you belong there (this is especially useful in places like the Upper City where everyone's watching). The feat really shines when you're mimicking specific people's voices and mannerisms, since it boosts both your ability to act convincingly and to think quickly when questioned. Something worth considering - if you're starting with 17 Charisma, this feat becomes even more valuable since it'll round you up to that sweet spot of 18.

Those performance boosts aren't just for show either - they complement any disguise attempts perfectly, whether you're using magic or just trying to blend in naturally (guards tend to be more suspicious of newcomers in restricted areas). For anyone planning on running a character focused on stealth or social manipulation, this feat is definitely worth considering over pure combat options.