Great pick imo, Staunton was amazing in The Order of the Phoenix, I have yet to see her Oscar nominated performance in Vera Drake.
I'm still at episode 3 of season 3 lol but so far I just love that it's top notch quality again. The first episode really took getting used to the new cast, but they're all terrific.
I hope they get Rampling after Staunton.
I figure season 5 will air in 2023? Seems fitting if they have a two year gap between the changing casts and it also make sense because they basically shoot the seasons back to back.