o the staff at St Vincent's Private Hospital for their incredible care. 

8 Neill's family announced his  sudden and unexpected  death on Monday via Instagram. (The actor seen above on July 13). MediaPunch / BACKGRID

8 His passing comes just two months after he announced he was cancer-free following his battle with angioimmunoblastic T-cell lymphoma. MediaPunch / BACKGRID

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They concluded,  More details will be shared later, but for now, on behalf of the family, we ask that you respect their privacy as they navigate this immeasurable loss. 

Neill's passing comes just two months after he announced he was cancer-free following his battle with angioimmunoblastic T-cell lymphoma - a rare and aggressive form of non-Hodgkin lymphoma.

He had been forced to seek an alternative when doctors told him chemotherapy stopped working, so he took part in a trial for CAR T-cell therapy - a form of immunotherapy that trains T-cells to destroy cancer cells.

8 Neill (pictured in 2019) had gone through a successful trial for CAR T-cell therapy and even teased doing another movie back in April. Getty Images

8 The beloved actor had previously proclaimed he was  not remotely afraid  of dying as he battled cancer. Clemens Niehaus/Future Image/INSTARimages

 I've just had a scan just now and there is no cancer in my body, that's an extraordinary thing,  he told Australia's 7News in April, reflecting on the success of his trial.  I'm very, very excited that this can happen. It's time I did another movie. 

The beloved actor previously said he was  not remotely afraid  of dying as he battled cancer.

 I know I've got it, but I'm not really interested in it,  he said in 2023.