Character: Ted Gaynor 

Episode: Trust, But Verify


Season 1, Episode 11

The next person on Arrow’s (Stephen Amell) hit list is Diggle’s (David Ramsey) commanding officer and mentor from Afghanistan, Ted Gaynor.

Oliver suspects Gaynor is responsible for recent armored truck robberies, but Diggle defends him and takes a job at Gaynor's security company, Black Hawk Squad Protection Group, to keep an eye on him. Oliver decides to make a move on Ted, which puts him at odds with Diggle.

Synopsis credit: CW Network Arrow TV series page