When Beth puts on the Alice wig, she is wearing a wig cap, but when Mouse rips the wig off, there is no cap and her normal hair appears.
When Alice gets the drop on Sophie outside the Crows facility, there is the distinct sound of a gun's hammer cocking as Alice puts the gun to Sophie's head. The weapon Alice is holding, however, either has no external hammer, or it is not visibly cocked.
Keeping a kitten in a tiny room like that, without even a litter box or a constant source of food or water, would have severe impacts on the kitten even before its actual fate.