To me it sounded like kerillian is a curius child when somthing interests her, the tingle part. But she cares not if she is not Realy interested in the Subjekt. Also i think in the missions when the Ubersreik five can get drunk i think we hear her/everyones true self without having to keep up a fasad. I kinda relate to the whole thing.
The Brute Ogyrn is always great to listen to. He's angry, aggressive and as Ogyrn'y as you can get but I'd like to believe that there's a lot more going on beneath the surface then what he lets on.
Im fairly certain Kruber doesn't outrank Victor since they are in the Empire, and Victor is a direct representative of the Cult of Sigmar, and by extension, the Emperor himself, he does hold more authority.
Saltzpire: Alas poor Kruber I knew him well never a man more loyal to the empire I pray Sigmar will welcome him in death Kruber: SALTZPIRE STOP TELLING EVERYONE IM DEAD Saltzpire: ah the greif must be clouding my mind for I can still hear his voice Kruber: OH YOU FUCK