Donner, Bishop, Kathyrn, Marcy, Grace -- titles of remaining episodes
The titles of the remaining episodes are all named after characters, from season one. Here is the episode cast list: http://www.imdb.com/title/tt5651844/epcast?ref_=tt_ql_tv_2
Donner is listed as someone who appeared in episode 1.1, a middleaged guy, played by Jason Gray-Stanford. I don't recognize him, or remember his character. http://www.imdb.com/name/nm0337020/
Bishop is played by Gerard Plunkett -- a very good actor, originally from Ireland, whose work I remember from significant roles in Da Vinci's Inquest, and Intelligence. He only appears in this single episode. I predict he won't use his Irish accent in this show. http://www.imdb.com/name/nm0687679/
Kathyrn would be Kathyrn McLaren, wife to the FBI agent taken over by the Traveler who leads our team. This episode could focus around her blowing the whistle on the team, perhaps with the help of Carly's baby daddy. Or maybe the Directorate, or bad guys, take her over....
Marcy, of course, is the blond team member. If all the other episodes are named after non-Travelers, why have one based on a traveler?
Grace -- the character of Grace Day, played by Jennifer Spence, appears in ep 3, 4, 8, 11, 12. I don't remember her character, either. http://www.imdb.com/name/nm0817780/
Update: Donner is a Traveler who goes renegade when he fails his mission mere seconds after arrival, killing all his team members. He tries to pretend the transfer didn't work. He is either killed with a new Traveler is swapped into the body, or transferred back to the Directorate. Bishop is an experienced Congressman. Mclaren's assignment is ot use a stasis field, so he survives a devastating airliner disaster. Thanks to the stasis field, he does survive, without any trauma, only to have a Traveler take him over, about 20 seconds after he would have died in the crash. No new Travelers arrive in Kathryn, where Kathryn and McLaren's partner search for him, when they believe Phillip is a car thief who highjacked McLaren't car, with him in it. For most of the episode an elite future team employs future medical techniques to repair McLaren's body. Two new Travelers arrive in Marcy, and Marcy's experience of the first ten episodes is erased when they project a version of Marcy's consciousness as of ep 1.1 onto her body.