Emily Mortimer
Herself
Tom Hollander
Tod Best
Julian Rhind-Tutt
Rupert
Sienna Guillory
Newscaster
Lisa Barbuscia
Nicky
John Standing
Ally's dad
Flora Montgomery
Georgia
Stefanie Powers
Georgia's mum
Malcolm Sinclair
Monsignor Francis Hughes
Tom Conti
Prof Rosenberg
Tara Summers
Ally
Rick Warden
Airline Pilot
Enzo Cilenti
Andrew
Cassandra Bell
Marketing Executive
Richard Branson
Himselft
Richard Branson
Himself
Sorcha Cusack
Ally's mum