In addition to singing all of Postman Pat’s songs, Keating also has a cameo appearance in the film, appearing as a contestant who competes against Pat for a coveted prize.

The reason for the show’s success is probably not the theme song (“Postman Pat, Postman Pat, Postman Pat and his black-and-white cat”), which is a jaunty little jingle that’ll get stuck in ...

Rupert Grint has debuted his first track 'Lightning' online. The Harry Potter star sings the song, featured on the soundtrack for Postman Pat: The Movie, for which he also voices Josh, Pat's rival.

Barrie, a trained singer, also recorded the show's famous theme song, "Postman Pat & His Black and White Cat," which peaked at No.44 on the U.K. singles chart.