Will Chase

Will Chase, also referred to by his codename Whiskey Cavalier, is a main character in ABC's Whiskey Cavalier. He is an FBI agent, who, "following an emotional break-up, is assigned to work with CIA operative Francesca “Frankie” Trowbridge. Together, they lead an inter-agency team of spies who periodically save the world (and each other) while navigating the rocky roads of friendship, romance and office politics."

Early Life
At some time, prior to the events of Whiskey Cavalier, Will got into a relationship with, and eventually engaged to, Gigi Debrosse, however, due to unknown circumstances, the pair broke up.

Trivia

 * Will is described as a "tough but tender FBI super-agent."