It's my understanding that a release form is typically only used if the video is going to be made available publicly, used in marketing material, etc. If their

It's my understanding that a release form is typically only used if the video is going to be made available publicly, used in marketing material, etc. If their commercial purpose was internal to the company then a release wouldn't be required. I'm an American. This likely isn't true in other countries with more stringent privacy laws.