•
Alicia Minshew (season 1) and
Nadia Bjorlin (season 2) as New York City reporter Sara Preston •
Sarah Brown (season 1) and
Marem Hassler (season 2) as Massachusetts State Representative Katherine "Kate" Wesley •
Ron Raines as Senator William Preston, Sara's grandfather, a longtime Democratic senator for Massachusetts who will stop at nothing to get what he wants •
Scott Bryce as Senator Tom Wesley, Katherine's father, a conservative Republican senator •
Crystal Chappell as Claire Preston, Sara's mother, an alcoholic • John-Paul Lavoisier as Eric Preston, Sara's brother •
Melissa Archer as Evelyn Preston, William's wife •
Jessica Morris as Diane Hamilton, Sara's partner, an actress •
Louise Sorel as coffeehouse owner Emily Tanner •
Tina Sloan as coffeehouse owner Louise Cassell •
Ricky Paull Goldin as Andrew Miller, Katherine's chief of staff • Rebecca Mozo as Laura Parker, Katherine's best friend ==Production==