His death was tweeted by Number 96 creator David Sale on Monday.
Sad news for #Number96 fans. Mike Dorsey, who so perfectly played the stitched-up bureaucrat ‘Daddy’ passed away in Perth two days ago.
— David Sale (@DavidSale96) October 27, 2014
Dorsey played the role across 1975.
But he had many other notable credits on Australian TV including Hunter, Skippy, Riptide, The Rovers, Phoenix Five, Spyforce, Homicide, Boney, Matlock Police, Division 4, Glenview High, The Young Doctors, Arcade and, in 2007, Lockie Leonard.