The book has also been made into a play adapted by Nick Stafford. The play, also called War Horse, was staged at the Olivier Theatre, National Theatre in London. The production opened on 17 October 2007 and was met with critical acclaim – its use of life-size puppets of horses from the Handspring Puppet Company won an Olivier Award, Evening Standard Theatre Award and London Critics' Circle Theatre Award for design. In February 2010 it was revealed that the play would transfer to Broadway in New York City, New York, United States.
In May 2010, it was announced Steven Spielberg would direct the movie adaptation with Richard Curtis and Lee Hall writing the screenplay. Jeremy Irvine was cast in the lead role. The full cast was revealed on 17 June 2010. It was released on 25 December 2011.
A radio adaptation of the book was broadcast on BBC Radio 2 on 8 November 2008. It featured Timothy Spall starring as the voice of Albert, Brenda Blethyn as Mother and Bob Hoskins as Sergeant Thunder. The radio play was rebroadcast on BBC Radio 4 Extra on 11 November 2011 as part of a special Remembrance sequence.