Hi
Here is a simple solution.
I have done this in Player Character, Topdown Project.
Player View when Started
If I press X
With this Blueprint, I still have control over my character, so you would need to run more scripting to change control to new actor.
Below is the Camera BP and scripting
Camera BP
Getting the Camera
Blueprint with Flipflop to switch between Cameras"
You will need to turn off ‘Context Sensitivity’ to get ‘Set View Target With Blend’