'The Hunger Games: Mockingjay Part 2' Cast Reflects on Philip Seymour Hoffman's Final Film

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The Hunger Games: Mockingjay - Part 2
marks not only a close for the series, but also the last time we will see the great Philip Seymour Hoffman on  the big screen.

The cast, as well as director, Francis Lawrence, reflected on working with the late actor, who died of a drug overdose in February 2014.

PHOTOS: Stars We Lost

“He's terrific,” said Donald Sutherland. “He was a wonderful actor”

“I think everybody felt really sad. It was a tremendous loss,” said Julianne Moore.

"Right after he died, I found it really difficult to work on the scenes and look through the footage," Lawrence told ET. "Obviously, it was a very emotional time and a tough time."

"Now when I look at it," he continued, "it's a nice thing to see him up there and to be reminded of him and working with him. And I think he's the second shot in the movie, so pretty quickly you see his presence."

WATCH: 12 Moments From 'The Hunger Games: Mockingjay - Part 2' Trailer That Book Fans Will Freak Out Over

Over a year after his death, Hoffman's life partner, Mimi O'Donnell, said she is slowly healing.

"I would say that, after a year has passed, I'm able to function, if that's the right word, or be in the world a little bit differently," she said in May.

Watch ET's first interview with Hoffman below.