Helen Webb

Keira Knightley

Sam Young

Ben Whishaw

Jason

Andrew Koji

Mrs. Reed

Sarah Lancashire

Wallace Webb

Andrew Buchan

Alex Clark

Tracey Ullman

Michael

Omari Douglas

Stephen Yarrick

Sam Troughton

Lenny

Kathryn Hunter

Williams

Ella Lily Hyland

Eleanor

Gabrielle Creevy

Kai-Ming

Isabella Wei

Jacqueline

Charlotte Rice-Foley

Oliver

Taylor Sullivan

Dani

Agnes O'Casey

Marie

Molly Chesworth

Bill

Ken Nwosu

Hector Newman

Luther Ford

Ruby

Ebony Francis-Peddie

Cole Atwood

Finn Bennett

Wu Lin

Tai Yin Chan

Chang Hao

Dan Li

Thomas

Callum Coates

Arnie

Adam Silver

Zack

Nathan Stewart-Jarrett

Political Correspondent

Sally Scott

Ambassador Chen

Andy Cheung

Young Hector Newman

Billy Hickey

Prime Minister Eaves

Adeel Akhtar

Mitch Porter

William Hope

Maggie

Hannah Khalique-Brown

Phillip

Thomas Coombes

Emma

Justine Mitchell

Kent

Eniko Fulop

Elmore Fitch

Paapa Essiedu

Frank

Steve Wall

Agent Perryman

Adam Best

Trent Clark

Angus Cooper

Alex Clark's bodyguard

Tim Faraday

Beth

Lizzie Hopley

Bingo

Rat Scabies

Georgina

Antonia Campbell-Hughes

Daniel

Philipp Christopher

Santa Claus

Robert Ashe

Andy

Julian Wadham

Young Sam

Will Joseph

Ingrid

Claudia Jolly

Waitress

Xiaonan Wang

Vanessa

Jennifer Armour

Aide

Brian Law

Security Guard

Brett Tutor

Screaming Woman

Lorna Lowe

Erica

Jayne Aguire

James

Sam Parks

Hang Chao

Thomas Chaanhing

Les Mullery

Timothy Harker

Voice on the Phone (voice)

Martin Phipps