Sarah Gadon as Princess Elizabeth

Bel Powley as Princess Margaret

Emily Watson as Queen Elizabeth

Rupert Everett as King George

Mark Hadfield as Mickey

Jack Laskey as Captain Pryce

Jack Gordon as Lieutenant Burridge

Tim Potter as Duty Manager

Jack Reynor as Jack

Roger Allam as Gangster

Ruth Sheen as Jack's Mum

Rab Affleck as Raymond

Hayley Squires as Debbie

Annabel Leventon as Lady MacCloud

Geoffrey Streatfeild as Jeffers

Debra Penny as Clippie

Ricky Champ as Tough Soldier

Jack Brady as Pub Landlord

Jessica Jay as Girl at Trafalgar Square

Samantha Baines as Mary

Emma Connell as Jane

Nicholas Murchie as Doorman

Matt Sutton as Captain

Anna Swan as Daisy

Sophia Di Martino as Phoebe

Fiona Skinner as Annie

Laurence Spellman as Captain Ashworth

Edmund C. Short as Red Cap

Edward Killingback as Chips

Ben Hall as Officer #1

Ben Lucas as Officer #2