Mamma Mia! is a film adaptation of the West End stage musical, based on the songs of successful pop group ABBA, with additional music also composed by ABBA member Benny Andersson. Despite opening in the USA on the same date as the critically acclaimed Batman sequel “The Dark Knight” on July 18, 2008, the film did very well at the box office and had the largest opening weekend of any musical film in U.S. history. Major Cast Includes

Meryl Streep
Amanda Seyfried
Julie Walters
Christine Baranski
Pierce Brosnan
Colin Firth

Mamma Mia! ScreenCaps