Abbie Cornish

Wally Winthrop

Andrea Riseborough

Wallis Simpson

James D'Arcy

Edward

Oscar Isaac

Evgeni

Richard Coyle

William Winthrop

David Harbour

Ernest

James Fox

King George V

Judy Parfitt

Queen Mary

Haluk Bilginer

Al Fayed

Geoffrey Palmer

Stanley Baldwin

Natalie Dormer

Elizabeth

Laurence Fox

Bertie

Douglas Reith

Lord Brownlow

Katie McGrath

Lady Thelma

Christina Chong

Tenten

Annabelle Wallis

Arabella Green

Liberty Ross

Connie Thaw

Penny Downie

Dr. Vargas

Suzanne Bertish

Lady Cunard

Ben Willbond

Equerry

Leigh Zimmerman

East Side Woman

Linda Glick

Woman Getting Taxi

Gil Cohen-Alloro

Hotel Clerk

Stephen Jones

Royal Milliner

James McNeill

Sotheby's Staffer

Vincent Montuel

Waiter

Jay Alexander

Security Guard (uncredited)

Catherine Balavage

Woman