Michelle Dockery (Lady Mary), Hugh Bonneville (Robert Crawley), Elizabeth McGovern (Cora Crawley), Phyllis Logan (Elsie Hughes), Jim Carter (Charles Carson), Laura Carmichael (Lady Edith), Joanne Froggatt (Anna Bates) more..., Allen Leech (Tom Branson), Michael Fox (Andy Parker), Sophie McShera (Daisy Parker), Robert James-Collier (Thomas Barrow), Brendan Coyle (John Bates), Penelope Wilton (Isobel Merton), Raquel Cassidy (Phyllis Baxter), Lesley Nicol (Mrs Patmore), Kevin Doyle (Joseph Molesley), Harry Hadden-Paton (Bertie Hexham), Dominic West (Guy Dexter), Paul Giamatti (Harold Levinson), Arty Froushan (Noël Coward), Alessandro Nivola (Gus Sambrook), Simon Russell Beale (Sir Hector Moreland), Joely Richardson (Lady Petersfield), Paul Copley (Albert Mason), Douglas Reith (Lord Merton), Marilyn Cutts (Lady Shayne), Lorna Nickson Brown (Susie), Daisy May (Sylvie), Sophie Colquhoun (Betty), Lucy Briers (Mrs. Vanneck), Rose Galbraith (Lady Gwendoline), Lisa Dillon (Princess Arthur), Eva Samms (Marigold), Karina Samms (Marigold), Esme Creegan (Caroline), Oliver Barker (George), Zac Barker (George), Sarah Crowden (Lady Manville), Fifi Hart (Sybbie Branson), Lucy Black (Miss Grant) and others.

Gareth Neame (Producer), Julian Fellowes (Writer), Anna Mary Scott Robbins (Costume Design), Julian Fellowes (Producer), Nigel Marchant (Producer), Liz Trubridge (Producer), Donal Woods (Production Design) more..., Peregrine Kitchener-Fellowes (Associate Producer), Adam Recht (Editor), Ben Smithard (Director of Photography), Naomi Bailey (Art Direction), Philippa Mumford (Art Direction), Linda Wilson (Set Decoration), John Lunn (Original Music Composer), Jill Trevellick (Casting Director), Laura Blount (Makeup Supervisor), Krystal Buckley (Makeup Artist), Grace Firmin (Makeup Trainee), Samuel James (Wigmaker), Kirstie Lavin (Makeup Artist), Julia Plant (Makeup Artist), Sarah Spears (Makeup Artist), Sarah Webster (Makeup Trainee), Aneta Chalas (Unit Production Manager), Louis Phillips (Executive In Charge Of Production), Tiffany Tiesiera (Executive In Charge Of Production), Jamie D. Allen (Second Assistant Director), Glen Carroll (Third Assistant Director), Viki Carter (Production Assistant), Emily Eyre (Production Assistant), Pippa Feldberg Collins (Third Assistant Director), Adam Lock (First Assistant Director), Liam Thornton (Third Assistant Director), Marc Bee (Carpenter), Toby Bilton (Props), Paul Bowring (Construction Manager), Dominic Byles (Standby Property Master), John Condron (Dressing Prop), Francis Dixon (Assistant Art Director), Amy Cooper Goodrich (Assistant Set Decoration) and others.