John Diggle is and ex-soldier. He now works as Oliver's bodyguard and chauffeur.

John Diggle Quotes

You know Oliver, somebody once told me that secrets have weight. The more you keep, the harder it is to keep moving.

Diggle

Cops brought her home. She and some friends broke into a store, tried on some dresses last night, lit up the breathalyzer like a Christmas tree.

Diggle [about Thea]

Arrow Quotes

Ra's al Ghul: You tasted death and you wanted more, but the truth is everyone and everything must come to an end. Even for one such as me.
Oliver: Kill me, but spare John Diggle's life. Let him go. I will beg for it.
Ra's al Ghul: You have shown tremendous strength, fortitude, power. No, Mr. Queen. I don't want to kill you. I want you to take my place. I want you to become the next Ra's al Ghul.

Laurel: Helena, you don't have to do this.
Helena: Yes, I do. Because once you let the darkness inside, it never comes out.