Try again and do what? How are you directing the shot? How do you erase an emotion? How do you erase and redo inner turmoil when delivering a performance?
You tell it, "do it all over again, now with less inner turmoil". Not joking, that's all it's going to take. There are also a few diffusion based speech generators that handle all sounds, inflections and styles, they are going to come in handy for tweaking turmoil levels.
"Restyle that last scene, showing different mixtures of fear/concern/excitement on male lead's face. Try to evoke a little of Harrison Ford's expressions in his famous roles. Render me 20 alternate treatments."
[5 minutes later]
«Here are the 20 alternate takes you requested for ranking.»
"OK, combine take #7 up to the glance back, with #13 thereafter."