Michal J Fox announced his retirement from on-screen work in 2020, but it seems the actor would consider returning to the big screens under one condition. When he first announced his retirement, Fox admitted that his Parkinson’s affects his memory and makes it difficult to remember lines of dialogue. Fox was diagnosed when he was just 29 years old – a year after Back To The Future Part III was released in 1990. He recently excited fans but claimed that he would return to acting: “If someone offers me a part and I do it and I have a good time, great. “I would do acting if something came up that…