Guest Stars Maya Sondhi as Lola Dartmouth Julian Barratt as Benjy Dhillon Karl Johnson as Bill Newman Derek Jacobi as Sir Ralph Unwin Donald Sage MacKay as Norm Niedecker Sandra James-Young as Regina Margaret Jackman as Hilary the Gardener Chandrika Chevli as Priana Fisher Alfie Harrison as Josh Dhillon Romola Garai as Juno Fish Sacharissa Claxton as Danni Harker Will Adamsdale as Sebastian Adams Doyin Ajiboye as Chioma