Tuppence Middleton

Micky

Alexandra Roach

Do

Kerry Fox

Julia

Frances de la Tour

Aunt Elinor

Emilia Fox

Dr. Sylvie Wells

Aneurin Barnard

Jake

Stanley Weber

Serge

Alex Jennings

Chance

Maisie Lloyd

Young Do

Ciara Southwood

Young Micky

Erich Redman

Dr. Muller

Elizabeth Healey

Do's Mother

Pierre Boulanger

Jean Claude

Tim Wallers

Do's Father

Mandi Sidhu

Chance's Receptionist

Iain Softley