Upstairs Downstairs on Netflix cast as BBC drama catapults into most-watched charts

The new Netflix series "Upstairs Downstairs" features a stellar cast including actors known from popular BBC dramas like "Happy Valley," "The Crown," and "Line of Duty." This marks a significant crossover of talent from high-profile British shows into a new streaming platform production, suggesting a potential shift in how top British actors are choosing to diversify their portfolios. The show's success on Netflix highlights the growing influence of international streaming services in competing with traditional British TV networks.