Is there anyway to remove movement controls

Im making a cutscene in my game and i want the player to reach a certain place and tben lose all movement keys (A,D,SPACE,SHIFT) then i want the chatacter to move without the player pushing anything.

How would I do this?

Option A
There is action to activate/deactivate behaviors

Option B
Install remap extension
Which allows you to set any keys for controling your player (just pick proper behavior top down or platformer)
And then you have action to set what keys to use
And you can just add that action and leave each remap key empty
Which will result in well not being able to move

As for player moving on it own i would go with adding a force to player toward angle
0 right
180 left
-90 up
90 down
Depending on what you need