Detective Danny “Danno” Williams, a New Jersey detective who has transferred to Hawaii to be close to his daughter.

Danny has nearly 100 solved cases under his belt back in New Jersey. He continues to dress as he did in the states as a point of pride. He was recruited to be McGarrett’s partner.

Danny Williams Quotes

I see what he's doing there. He's doing Jack Nicholson. And it's very appropriate too, because the last six years of my life has been sort of like "The Shining." Which is a film if you'd seen, you'd know, spends the whole movie torturing a young boy named Danny.


Danny: Boxing or MMA?
Grover: Boxing, no question