In an interview on May 19, Vin Diesel, revealed that filming for Gaurdians of the Galaxy was 'therapeutic' in the aftermath of his Fast and Furious 7 costar Paul Walker's death.

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Speaking to Variety, the actor stated that it was a very tumultuous time and he was filming for Guardians of the Galaxy right after Walker's death but the nature of his role and getting back to work helped him to cope with the shock.

"It was very personal- it was the month after the accident happened with my brother Paul Walker and it was the first time I had worked since," he said.  "Although it was challenging, just to get back to work was therapeutic- especially as Groot. There was an innocence about the character that was just refreshing- and it may have been more challenging under other circumstances, but at that time, it was very therapeutic."

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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.

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The 40-year-old actor was halfway through filming Fast and Furious 7.

The film will hit theaters in April 2015. 

Watch a recent clip of Ludacris talking about missing Walker on Ellen DeGeneres' show:

Tags: Fast and Furious 7 Vin Diesel Paul Walker