Liam Cunningham as David Robinson

Brana Bajic as Lara Robinson

Roger Allam as Thomas Blunt

Jesse Spencer as Fritz Robinson

Neil Newbon as Ernest Robinson

Andrew-Lee Potts as Jacob Robinson

Charlie Lucas as Young Jacob

Rided Lardpanna as Namatiti

Jenna Harrison as Emily Montrose

Emma Pierson as Sarah Robinson

Bonnie Wright as Young Sarah

Rupert Holliday-Evans as Roberts

Francis Magee as Pickles