Watch The 'Postman Pat: The Movie' Trailer - Video

Watch the trailer for the forthcoming film, voiced by actors including Stephen Mangan, David Tennant and Rupert Grint.

British characters don't come more iconic than Postman Pat.

Now, he's finally getting the big screen treatment!

Jim Broadbent and Ronan Keating also voice characters.

'Postman Pat: The Movie' will hit cinemas nationwide on May 23.