Tom Hiddleston turned down the role he was offered in War Horse.
Tom Hiddleston . Hiddleston has also appeared in Steven Spielberg 's War Horse ( 2011 ) , The Deep Blue Sea ( 2011 ) , Woody Allen 's romantic comedy Midnight in Paris ( 2011 ) , the 2012 BBC series Henry IV and Henry V , and the romantic vampire film Only Lovers Left Alive ( 2013 ) . War Horse (film) . The film 's cast includes Jeremy Irvine ( in his film acting debut ) , Emily Watson , David Thewlis , Tom Hiddleston , Benedict Cumberbatch , Eddie Marsan , Niels Arestrup , Toby Kebbell , David Kross and Peter Mullan .