Callaghan is one of the antagonists in Mirror's Edge. She is also the current mayor of the city the game takes place in, and also the CEO of Callaghan City Construction.
Callaghan herself is never seen in game nor in any cutscenes. Though she is mentioned infrequently. Callaghan was not initially conceived a threat to the Runners, however, Mirror's Edge (mobile) provides more background information on Callaghan and the mayoral conspiracy.
Prior to the events portrayed in the game, Callaghan started employing questionable methods to win votes over Robert Pope, one of which was collaborating with Pirandello Kruger security firm to train a rogue gang of rooftop runners to go out and make a bad image of and smear the true Runners. This gang also caused the City Protection Force to be embarrassed in the public eye as they fail to apprehend the rogues. In turn, Callaghan used this as a valid excuse for hiring the private security firm to replace the CPF.
Callaghan is also depicted asking someone to make reservations for a lunch with PK's CEO, and to confirm all the arrangements for C's (Celeste) meeting with Pope. She states "Everyone's priority should now be on executing Project Icarus."
After Robert Pope's murder, Faith's sister Kate Connors instructed her to contact Miller, Kate's surperior, with any new information. Faith deems him trustworthy. However, she then sees him meeting with PK's CEO Travis Burfield. Miller was, in fact, looking for information about Pope's murder. He learns that Ropeburn had hired an assassin to kill Pope. Meeting up with the assassin, Faith learns that Callaghan forced Celeste to kill Pope through blackmail.
The Callaghan Construction logo can be seen in the Mirror's Edge Catalyst E3 2015 trailer.
Many election advertisements for Callaghan can be found in the City. These bear slogans such as "Progress has a name, vote Callaghan", "Let's make things even better!" and "Finis coronat opus" (Latin, translation: "The end crowns the work"). In some of the advertisements in the various elevators in game, Callaghan is referred to as male. This is probably a mistake.
- The Latin phrase found displayed throughout; Finis Coronat Opus; literally means "the end crowns the work", often translated as "the end justifies the means".