Daniel Craig
— Joe
Rhys Ifans
— Jed
Samantha Morton
— Claire
Bill Nighy
— Robin
Susan Lynch
— Rachel
Helen McCrory
— Mrs. Logan
Andrew Lincoln
— TV Producer
Justin Salinger
— Frank
Ben Whishaw
— Spud
Corin Redgrave
— Professor
Anna Maxwell Martin
— Penny
Bill Weston
— Grandfather
Jeremy McCurdie
— Boy in Balloon
Lee Sheward
— John Logan
Nick Wilkinson
— Farmer
Alexandra Aitken
— Natasha
Rosie Michell
— Katie Logan (as Rosanna Michell)
Ella Doyle
— Katie's Friend
Aoife Carroll
— Robin & Rachel's Child
Rory Carroll
— Robin & Rachel's Child
Sophie Duncan
— Robin & Rachel's Child
Susan Duncan
— Robin & Rachel's Child