Los Angeles: A porn actor convicted of extorting an Audi sports car and $US500,000 in cash from a wealthy tech tycoon by threatening to publicise his hiring of male escorts for sex was sentenced on Tuesday to nearly six years in federal prison. In addition to the 70-month prison term, Teofil Brank, better known by his stage name, Jarec Wentworth, was also ordered to pay about $US500,000 in restitution to his victim, according to a spokesman for the US attorney's office in Los Angeles.