Actor Matt Damon's father dies of cancer

American actor Matt Damon's father Kent has died after a long battle with a rare blood cancer; he was 74.

Actor Matt Damon's father has died at age 74 after a long battle with cancer.

Damon's publicist Jennifer Allen says Kent Damon died on December 14. She said on Saturday he died of complications from multiple myeloma, a rare blood disease that affects bone marrow.

Kent Damon's condition had worsened over the past few months.

Matt Damon has worked to raise awareness and money for cancer research and treatment since his father was diagnosed in 2010.

The Good Will Hunting and Jason Bourne star hosted private fundraisers in Los Angeles and attended benefits for the Massachusetts General Hospital's Cancer Center in Boston.