Is any licensed driver automatically covered by your insurance policy if the car they are driving has coverage Even if they are not listed as a driver on the policy?

Driver not on the policy?  Driver exclusions in policy?  Non-licensed driver insurance?  Assigning driver to car on policy?  When should you be listed as a driver?  Am you covered insurance listed policy?  Is car covered if driven by youth driver?  What is the driver insurance policy in CT?  Is another driver covered on car insurance?  Is driver covered on auto insurance policy?  Is an occasional driver covered car insurance?  Driving without covered under a insurance policy?  Is an extra driver covered on your insurance policy?  DO you have to add a driver to your insurance policy?  Is a non insurenace driver covered ubder your policy?  Is an unnamed driver insured in a full coverage policy?  How much does it cost to add another driver to your policy?  Does full coverage cover any driver not on insurance policy?  Is non-listed driver covered on insurance if car is insured?  Does insurance cover an driver if they are not on the policy?