Matt Damon's Father Kent Damon Dies After Cancer Battle

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Kent Damon with son Matt Damon in 2010

Kent Damon, 74, died Dec. 14, explaining Matt Damon's absence from the Dec. 19 premiere of 'Downsizing' in L.A.

Matt Damon's father Kent Damon has died after a long battle with cancer, the actor's publicist confirmed to the The Hollywood Reporter. He was 74.

Kent Damon, 74, died Dec. 14, Damon's rep confirms, explaining why Matt Damon missed the recent Downsizing premiere in Los Angeles. The actor, who has been making the press rounds to promote his latest movie, which debuted this weekend, had canceled his red-carpet appearance at the Dec. 19 screening. At the time, a rep for Paramount Pictures said the Oscar winner was out of town dealing with an ongoing family matter.

Kent Damon suffered from the rare blood disease multiple myeloma and his condition had worsened in recent months. Sources had confirmed to THR after the Dec. 19 event that the actor's father had been ill.

When speaking to Extra while promoting the Alexander Payne-directed movie, the star had said his father's prognosis was not good. He was diagnosed in 2010.

"It’s been a slow unfolding. My dad’s sick, so that’s a process we’re going through," the actor said Dec. 11. “We’ll take any prayers you got, so throw 'em up there."