The 46-year-old star, who has played anti-hero Richard B Riddick in two movies - 2000's 'Pitch Black' and 2004's 'The Chronicles of Riddick', is now reprising his role in the franchise's latest movie, due out next month, reported a website.
"I had to leverage my house. If we didn't finish the film, I would be homeless," he said. But Diesel insists the risk makes the him even more proud of the finished product.
"It's a strange and unique sense of gratification, and it's not like any film I've done in the last 10 years," he added.