Here is the first THE LAST WITNESS trailer!

The film, directed by Piotr Szkopiak, stars Alex Pettyfer, Talulah Riley, and Michael Gambon.

THE LAST WITNESS will be released in theaters on May 29.

An ambitious young journalist uncovers the horrific slaughter of 22,000 Polish officers during the Second World War. A secret that has been kept hidden for far too many years.