Barbie and the Diamond Castle is a 2008 English-language Animation Family film written by Elana Lesser and Cliff Ruby. The movie is directed by Gino Nichele and produced by Nancy Bennett and Luke Carroll under the banner of Rainmaker Entertainment in collaboration with Mattel Entertainment. Two best friends, Liana and Alexa, embark on a journey to find the Diamond Castle! With the help of music, the girls overcome challenges that show friendship is the true treasure. Barbie and the diamond castle stars Kelly Sheridan, Cassidy Ladden, Maryke Hendrikse, Kathleen Barr, Jeremy From, Noel Johansen and Veena Sood. The music was composed by Arnie Roth. Editing was done by Tim Jones. The motion picture has a running time of 78 min. It was released on 4th September 2008. Distribution rights for the movie were acquired by Universal Studios Home Entertainment.