Guest Stars Julian Barratt as Benjy Dhillon Karl Johnson as Bill Newman Maya Sondhi as Lola Dartmouth Siân Reeves as Claudia Rose Derek Jacobi as Sir Ralph Unwin Liz Crowther as Joyce Ransome Alfie Harrison as Josh Dhillon Sandra James-Young as Regina Donald Sage MacKay as Norm Niedecker Margaret Jackman as Hilary the Gardener Ellie Haddington as Diane Romola Garai as Juno Fish Ella Critchell as Poppy Paul Putner as Mick the Porter Dominic Geraghty as Duty Sergeant Sutara Gayle as Sharon
