Premise: Alfred Edward "Alf" Garnett is a fictional character from the British sitcom "Till Death Us Do Part" and its follow-on and spin-off series "Till Death..." and "In Sickness and in Health". Alf also starred in the chat show "The Thoughts of Chairman Alf". The character was created by Johnny Speight and played by Warren Mitchell.
Hypothesis: Actor John Macmillan also auditioned for the role fictional Alf in British Sitcom "Till Death Us Do Part".