Hello,
Its a bug very annoying.
Savegame
http://www.petit-fichier.fr/2015/10/29/9ee5a38f-b43d-425b-a5ac-b3b1e4eb92c1-quicksave/
procedure: 1) Go to the boss (Right bridge, Od Nua 8, throne Fampyr)
2) After the cinematic and battle begin, click on one of the portraits of allies.
= Normally the click does not give access to the " control bar " character.
Note: By moving the camera , it can temporarily be able to click !, but the problem persists when the camera is on the scene.
Worse, hammering the click , it becomes available but this can negate some previous orders (others companions for exemple) .
This bug happens relatively little throughout the game, but it is very annoying.
Thx.