I have been in the film bizz in south Florida for 10 years, unless you really need the money don't rent your car out to a production company unless your with the car 100% of the time. Even if your well insured and are with the car, there is a 50-50 chance your car will come away with some kind of damage. Small scratches, scuffs in the interior , or dents.
The people in the film industry don't give a damm about your car or property. It's insured in ther minds. I had a offer to rent my 71 Chally convert. for 8 days for 5 grand, and turned it down, mainly because I could not stay with the car.