As filming for Fast and Furious 7 begins, Dwayne Johnson aka The Rock finally opened up about Paul Walker's death and not having him on set.

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The action star spoke about missing Walker while filming the rest of Fast and Furious 7 in a recent interview.

"It's very important for everybody involved, of course. It's not easy, and it's a challenge when you have something like this, a beloved person," Johnson said. "Paul, as you guys know, he was truly one of the good guys, a great dude, who didn't take himself seriously, loved what he did, understood the business of the business."

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In most recent devlopments surrounding the completion of filming of Fast and Furious 7, it was revealed that to wrap Walker's character arc, the producers had decided to use four body doubles and CGI.

"They have hired four actors with bodies very similar to Paul's physique and they will be used for movement and as a base," an insider close to production told the Daily News. "Paul's face and voice will be used on top using CGI."

Walker died on Nov. 30 in a car crash in Santa Clarita, Calif. He was the passenger in a car being driven by his friend, race car driver Roger Rodas, who also died in the accident. The speeding car hit a tree and instantly burst into flames, causing both the actor and Rodas to die on the spot. The actor was headed home after attending a charity event for his foundation, Reach Out Worldwide.

Walker is survived by his 15-year-old daughter, Meadow.

Watch a tribute to Walker from the franchise here:

Tags: Fast and Furious 7 Paul Walker Dwayne Johnson