Ted Cassidy, the uncredited narrator of the show's opening credits, also did the Hulk's growls for the first two seasons. When he died in 1979, dubbed animal growls were used, in addition to growls by Charles Napier.
An anesthesiologist assistant (AA) is a non-physician anesthesia provider qualified by advanced education and clinical training to work cooperatively with an anesthesiologist in developing and implementing the anesthesia care plan.
An anesthesiologist (American English) or anaesthetist (British English) is a medical practitioner trained in anesthesia and perioperative medicine. Terminology varies between countries. In the United States, the term anesthesiologist refers to only a physician who has completed medical school and completed an accredited anesthesiology residency program.