Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
I don't think you have to outright fire them. Tell them "Look I appreciate your acting skill and your advice. I know I've got a great source of help if I need it but a film hierarchy is a delicate thing and I need you to let me give the direction on my movie to my actors. When I need I little help I hope you'll be willing to offer assistance but until then you need to quietly wait until your needed onset."
Give 'em a pat on the back and hopefully all is well. Be polite but very firm. If he does it again... ask him to step outside while you set up the scene and you can call him back in when its time to rehearse.