Kate

Emilia Clarke

Tom

Henry Golding

Petra Andrich

Emma Thompson

Santa

Michelle Yeoh

Ivan

Boris Isakovic

Young Marta

Lucy Miller

Marta Andrich

Lydia Leonard

Dr. Addis

Rebecca Root

Ed

Maxim Baldry

Young Kate

Madison Ingoldsby

Joyce

Patti LuPone

Police Woman Crowley

Ingrid Oliver

Shower Sarah

Margaret Clunie

Police Woman Churchill

Laura Evelyn

Theater Director

Rob Delaney

The Dane aka 'Boy'

Peter Mygind

Theater Producer

Peter Serafinowicz

Nathan

Calvin Demba

Jenna

Ritu Arya

Fabien

Fabien Frankel

Guy in Pub

David Mumeni

Rufus

Ansu Kabia

Alba

Jade Anouka

Bus Driver

Ranjit Singh Shubh

Casting Director

Sara Powell

Andy

Amit Shah

Klaus the German Clown

John-Luke Roberts

Ice Rink Security Guard

Angus Brown

Oscar

Bilal Zafar

Ice Show Casting Director

Angela Wynter

Ice Show Director

Sue Perkins

Danny

Ben Owen-Jones

Arthur

David Hargreaves

Army 'Tom'

Joe Blakemore

Traffic Cone Man

Leon Delroy Williams

Dora

Anna Calder-Marshall

Croatian Woman

Jassie Mortimer

Croatian Man

Michael Matovski

Christmas Shopper (uncredited)

Rodrig Andrisan

Geoff Mafia Boss (uncredited)

Rene Costa

Store Shopper (uncredited)

Mark Gooden

Angry Man on Bus

Jake Lampert

Christmas Shopper (uncredited)

John Heartstone

le vendeur marocain

Liran Nathan

Christmas Shopper (uncredited)

Ruth Horrocks

Moroccan Vendor's Wife

Laila Alj

Christmas Shopper in Bicycle (uncredited)

Joelle Koissi

Homeless Man / Washboard Player (uncredited)

Martyn Mayger

Man in Audience at Homeless Shelter Benefit (uncredited)

Andrew Ridgeley

Homeless Person (uncredited)

Jacqueline Ramnarine

Christmas Market Vendor (uncredited)

Mario Romano

Nurse Jane (uncredited)

Nichola Jean Mazur

Casting Director (uncredited)

Susanne Schraps

Christmas Shopper (uncredited)

Davina Sitaram

Church Guest (uncredited)

Joakim Skarli

Christmas Party / Concert Singer (uncredited)

Karol Steele

Christmas Shopper (uncredited)

Sanj Surati

Klaus le clown allemand

John Luke Robertson