Olivia Dunham

FBI Special Agent Olivia Dunham is part of Fringe Division, a multi-agency government task force that investigates strange phenomena — including a parallel universe (aka "the Other Side") much like her world. Olivia's teammates include eccentric genius Dr. Walter Bishop and his son, Peter. After falling in love with Peter, she learned that his true father is "Walternate," Walter's counterpart on the Other Side.

As a child, Olivia was part of Walter and William Bell's experiments with Cortexiphan, a drug that allowed her to "cross over" to the Other Side. This talent proved useful when a vengeful Walternate tried to destroy Olivia's universe with a "doomsday machine" that only Peter could operate. Instead, she helped Peter create a bridge between universes. Then Peter disappeared from reality, and, like everyone else, Olivia didn't remember he had existed.

Without Peter, many details about Olivia's life changed. Yet when he miraculously returned, he was a stranger to her. Olivia's past memories came back after David Robert Jones secretly dosed her with Cortexiphan to trigger her abilities — part of a plan masterminded by Bell to collapse both universes and create his own.

After both sides joined forces to defeat Bell, the Cortexiphan wore off. Now Olivia looks forward to a life with Peter . . . including a baby on the way. But will a new danger destroy their happy dream?


Bolivia

Agent Olivia Dunham of the Other Side is more lighthearted and wears more leather, but she's just as tough and devoted to duty as her counterpart on This Side.

At first, Bolivia believed Walternate's claim that only one side could survive — and it had to be theirs. But after she impersonated Olivia to carry out his plan, she became more involved with Olivia's team, especially Peter, and wanted to find another way. That desire intensified when she returned home and gave birth to Henry, her son with Peter. Eventually, she rebelled against Walternate.

But when Peter vanished from reality, baby Henry ceased to exist. And, like everyone else, Bolivia didn't remember Peter when he returned. She did her best to work with Olivia's side to battle David Robert Jones, but resentment lingered, especially from Walter. Bolivia's charms won out, and eventually she bonded with the scientist, who helped her uncover the truth about Colonel Broyles' involvement with Jones.

Bolivia suffered a terrible loss when her longtime partner, Captain Lincoln Lee, was killed by one of Jones' minions. She was grateful when This Side's Agent Lincoln Lee tried to fill the gap, motivated in part by his unrequited love for Olivia. When the bridge between their universes was closed permanently, Bolivia was pleasantly surprised to find Lincoln by her side.