Change character problem

Hello,

I have 2 main characters. 1 is for first-person the second is 3rd which is a 3d char. Game starts with 1st person char and next scene when I want to use the 3rd character, I use CHANGE CHARACTER but it just shows the character and I cant control it. To do it I must select my 3d char as the ACTIVE CHARACTER from the main settings of visionaire. BUT then in next scene, when I need to use just the 1st person character even I use change-character from 3rd person char to 1st person char, 3rd person char still shows on scene and its can be controlled. And when I use hide character then system gets very slow obviously.