Because of just how long she was in the spotlight as part of two highly prominent television shows, it may be hard to re-sell Hannigan to moviegoers as a movie star rather than as someone who shines best on television.
She's no longer young enough to be the teen sidekick she once was with Buffy or to be the newlywed yuppie she popularized on How I Met Your Mother.
She lived with her older brother Fred, a real-estate investor while his older sister Helen was.
Has a tattoo of tribal dolphins on her ankle, and a japanese kanji, for luck and happiness, on her back.