The cast and crew of CBS detective drama "Hawaii Five-O" are in mourning. One of their actors, Keo Woolford, who portrayed Detective James Chang on the series, passed away at the age of 49.

Co-star Daniel Dae Kim, who plays Chin Ho Kelly, shared the sad news to fans of the show. He took to Twitter to convey his feelings and express his grief, he wrote, "As talented as you were, I will remember you most for your kindness. Thank you for sharing your light with us, @KeoWoolford. Rest In Peace."

Dennis Chun, who portrays Sgt. Duke Lukela on the show, also bid the actor farewell. He wrote, "It is with a broken heart and saddness that I bid Keo Woolford aloha. He was a beautiful spirit and light that blessed this aina with grace and eloquence. There are no words to convey the sense of loss so many of us feel. Laura and I convey our most sincerest condolences to his ohana and who loved him."

The actor died last Monday afternoon at Pali Momi Medical Center in Oahu. Woolford's publicist Tracy Larrua confirmed to People that he had suffered from a severe stroke on Nov. 25, and was confined to the hospital for three days.

Aside from Woolford's recurring part in "Hawaii Five-O," the actor is also known for being a writer, producer, and director. The Hawaiian filmmaker is known for his 2013 award-winning indie movie called "The Haumāna." Reports say that the film sequel, "The Haumāna 2," is in development, and Woolford was nearly done with his project.

One of the actresses in "The Haumāna," Kelly Hu, also spoke up about Woolford's sudden death. She said that the actor has been a brother and a mentor to her, who allowed her to spread her wings in his movie by giving her the opportunity to express her creativity through her portrayal of the character Linda.

In other news, "Hawaii Five-O" season 7 returns on Friday, Dec. 9, at 9 p.m. EST with episode 10.