Andrew Davies Creator Oliver Dimsdale Mr. Keen Actor Michael Maloney Mr. Donaghue Actor Sacha Dhawan Jimmy Dillon Actor Jeremy Piven Harry Selfridge Actor Robert Pugh Lord Wynnstay Actor Katherine Kelly Mae Rennard Actor Lottie Tolhurst Meryl Grove Actor Amanda Abbington Miss Mardle Actor Joey Price Ernest Grove Actor Felicity Grimes Eleanor Grove Actor Ally Goldberg Alice Grove Actor Jamie Wilkes Mr. Goodpiece Actor Sacha Parkinson Connie Towler Actor Sam Swann Freddy Lyons Actor Greg Austin Gordon Selfridge Actor Calum Callaghan George Towler Actor Ron Cook Mr. Crabb Actor Sadie Shimmin Miss Plunkett Actor Ian Ashpitel Mr. Hardcastle Actor Mitchell Hunt Joe Tooby Actor Kara Tointon Rosalie De Bolotoff Actor Rob Evans Director Kate O'Riordan Writer, Executive Producer Rebecca Eaton Executive Producer Kate Lewis Executive Producer Helen Raynor Executive Producer Dominic Barlow Producer Charlie Mole Music