Finding a Character's Voice: My Cold Reading Revelation

I recently experimented with a slightly unconventional approach during a self-tape casting session for a gritty indie drama, and it surprisingly unlocked a more authentic performance. Instead of meticulously rehearsing the sides until they were memorized perfectly, I did a few read-throughs for comprehension, then focused on improvising the character's reactions and subtext in real-time, allowing the actual lines to emerge more spontaneously. The goal was to prioritize genuine emotional response over flawless delivery of pre-written dialogue.

What worked remarkably well was the raw, unpolished quality it brought. The 'flubs' or slight hesitations felt incredibly natural, like thoughts forming in the moment, which suited the character's anxious and introverted nature perfectly. I used a simple webcam and natural window light, keeping the technical side minimalistic to avoid distraction. What didn't work as well, and what I had to consciously fight, was the urge to 'correct' myself too much; sometimes those little textual variations are precisely what feels most human. Focusing less on rote memorization and more on the intent behind each line, even if it meant a slight deviation, proved incredibly effective.

This made me wonder: how do other writers or directors guide actors to find that balance between script adherence and organic character expression, especially in cold reads?