"The Agency" premieres on Paramount+ with Showtime Plan on November 29

Harriet Samson Harris is a part of the star-studded cast for the political thriller that follows Martian (Michael Fassbender), a covert CIA agent, who is ordered to abandon his undercover life and return to London Station. When the love he left behind reappears, romance reignites. Harris spoke to CBS News Boston's Joe Weil about the show