Ludacris Opens Up About Acting Alongside Paul Walker's Brothers in 'Fast & Furious 7'

PHOTO: Rapper Ludacris attends the BET Honors on February 8, 2014 in Washington, DC.Getty Images for BET
Rapper Ludacris attends the BET Honors on February 8, 2014 in Washington, DC.

Paul Walker died before he could complete "Fast & Furious 7."

So, his two brothers, Caleb and Cody, stepped in to help the cast and crew finish the movie.

"It's definitely a good thing," Walker's co-star Ludacris told Ellen DeGeneres about their work. "It's scary how much they look like him and sound like him."

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The actor/rapper, 36, told DeGeneres that the loss of Walker, who died in a car accident last November, is still being felt on set.

"It's definitely very difficult," he said. "We're all still healing from it and there's a void when we go to set, but we understand we have to carry on his legacy."