Charlie Quirke / Travis Stubbs
Brendan Coyle / John Bates (segment "Downton Abbey")
Samuel James / Garth Stubbs
Charley Webb / Debbie Dingle
Daisy Campbell / Amelia Spencer
Amy James-Kelly / Maddie Heath 
Paul O'Grady / Santa Claus
Lucy Pargeter / Chas Dingle
Tony Audenshaw / Bob Hope
Kevin Doyle / Joseph Molesley
Lesley Dunlop / Brenda Walker
Tisha Merry / Steph Britton
Roxy Shahidi / Leyla Harding
Georgia May Foote / Katy Armstrong
Alan Halsall / Tyrone Dobbs
Fiona Wade / Priya Sharma
Patti Clare / Mary Christmas
Phyllis Logan / Mrs. Hughes
Sammy Winward / Katie Addyman
Jack P. Shepherd / David Platt
Katy Cavanagh-Jupe / Julie Carp
Antony Cotton / Sean Tully
Isabel Hodgins / Victoria Sugden
Lesley Nicol / Mrs. Patmore (segment "Downton Abbey")
Liam Fox / Dan Spencer
Katie McGlynn / Sinead Tinker
Jane Danson / Leanne The Angel
Debbie Rush / Anna Windass
Laura Norton / Kerry Wyatt
Kelli Hollis / Ali Spencer
Meg Johnson / Pearl Ladderbanks
Penelope Wilton / Isobel Crawley (segment "Downton Abbey")
Sue Johnston / Miss Denker
Brooke Vincent / Sophie Webster
Dean Fagan / Luke Britton
Mel B / Santa's Body Guard
Hugh Bonneville / Robert Crawley, Earl of Grantham
Jonathan Clays / Unknown (voice)
George Clooney / Lord George Oceans Gravity, Marquis of Hollywood
Warwick Davis / Father Christmas
Michelle Dockery / Lady Mary Crawley
Declan Donnelly / Self - Host
Lily James / Lady Rose MacClare
Robert James-Collier / Thomas Barrow
Allen Leech / Tom Branson
Joanna Lumley / An Angel (sketch 'Downton Abbey')
Elizabeth McGovern / Cora Crawley, Countess of Grantham
Anthony McPartlin / Self - Host
Sophie McShera / Daisy Mason
Mahel Nahim / James
Jeremy Piven / Mr. Selfridge (sketch 'Downton Abbey')
Maggie Smith / Violet Crawley, Dowager Countess of Grantham

Allen Leech / Tom Branson
Phyllis Logan / Mrs. Hughes
Elizabeth McGovern / Cora Crawley, Countess of Grantham
Sophie McShera / Daisy Mason
Lesley Nicol / Mrs. Patmore
Maggie Smith / Violet Crawley, Dowager Countess of Grantham
Penelope Wilton / Isobel Crawley
Matthew Goode / Henry Talbot
Alun Armstrong / Stowell
James Faulkner / Lord Sinderby
Penny Downie / Lady Sinderby
Matt Barber / Atticus Aldridge
Sue Johnston / Miss Denker
Jeremy Swift / Spratt
Douglas Reith / Lord Merton
Rade Serbedzija / Prince Kuragin
Hannah Wood / Brancaster Kitchen Maid
Jane Lapotaire / Princess Irina
Jonathan Coy / George Murray
Sebastian Dunn / Charlie Rogers
Harry Hadden-Paton / Bertie Pelham
Alice Patten / Diana Clark
Michael Fox / Andy
Oliver Barker / George Crawley
Zac Barker / George Crawley
Fifi Hart / Sybbie Branson
Stephen Mason / Prison Guard
Anthony Milton / Veteran in Crowd
Jason Nicholls / Rules Patron
Eva Samms / Marigold Gregson
Karina Samms / Marigold Gregson
Graham Saxon / Dinner guest