Eddie Redmayne

as Alex Forbes

Tom Sturridge

as Nigel Colbie

Toni Collette

as Sally

Richard Roxburgh

as McKenzie

Kate Maberly

as Susan Mueller

Jonathan Overton

as Josh

Amit Shah

as Raj Mehta

David Threlfall

as John Colbie

Cathryn Bradshaw

as Helen Colbie

Gregory J. Read

Director