Connie Booth – Polly Sherman

Cary-Hiroyuki Tagawa - Lieutenant A. J. Shimamura (seasons 1 & 2)

Maggie Roswell - Richard, Sylvia Winfield, Helen Lovejoy, Princess Kashmir, Mary Bailey, Maude Flanders, Elizabeth Hoover, Mona Simpson, Luann Van Houten, Martha Quimby, Allison Taylor, Nana Sophie Mussolini, Shary Bobbins, Strawberry

Josh O'Connor (seasons 3–4) and Dominic West (seaons 5-6) - Charles, Prince of Wales

George Johnson (unknown)

I’d love to be the Francesco Totti of Juventus. I won’t make comparisons on role or history, but I hope to end my career with this jersey.

I’m starting to understand how little purchase the truth actually affords us in this world.

Emerald Fennell (season 4, featured season 3) and Olivia Williams (seasons 5-6) - Camilla Parker Bowles

Claire Foy (seasons 1–2, featured season 4, guest season 5), Olivia Colman (seasons 3–4), and Imelda Staunton (season 5-6) - Queen Elizabeth II

Mary Test (voiced by Brittney Wilson in Seasons 1 and 5, Ashleigh Ball in Seasons 2-4 and 6)

Jaime P. Gomez - Inspector Evan Cortez (seasons 1–5)

Had he come we would have been really happy. This decision is taken because of [India's] internal political reasons, but it will not affect the success of this programme, we don't think it is a problem.

They are my responsibility, and one of the reasons that brings me here each year is to see how they are getting on.

Dukey (voiced by Louis Chirillo in Seasons 1-4, Trevor Devall in Seasons 5-6)

Yasmine Bleeth - Inspector Caitlin Cross (seasons 4 & 5)

Serena Scott Thomas - Kelly Bridges (seasons 1 & 2; guest season 3)