All of Hollywood has been comped in one way or another.
Elvis was still a "minor" by the time Col. Tom Parker had control of him. Interesting that Savile uses the "professor/pupil" in respect of Dutch born Parker. It was the rise of Beatlemania that saw Elvis' popularity wane.
Beatle McCartney has said that in their early days The Beatles were close to Savile, and travelled with him, this was well before their worldwide fame