Laura Roslin is a fictional character in the re-imagined Battlestar Galactica series, portrayed by Mary McDonnell. She is the President of the Twelve Colonies and one of the primary characters in the show. Background Laura's mother is revealed to have also died from breast cancer. Laura speaks of her mother's life and death in Season 4's "Faith". In "Daybreak", Roslin is shown to have two sisters, one of whom is pregnant, and a still-living father. The morning after her sister's baby shower, two officers inform Roslin that the rest of her family had been struck by a drunk driver and killed the previous night. Several months later, Roslin has become somewhat of a recluse and agrees to a blind date after turning down a position alongside Adar, who is running for Mayor. Though her blind date turns out to be a former student, Roslin has dinner with him and very nearly sleeps with him later that night. After asking him to leave, she calls and accepts the position with Adar, saying she will ...