Mamma Mia! is a 2008 jukebox musical romantic comedy film directed by Phyllida Lloyd and written by Catherine Johnson, based on her book from the 1999 musical of the same name. The film is based on the songs of pop group ABBA, with additional music composed by ABBA member Benny Andersson. The film features an ensemble cast, including Meryl Streep, Christine Baranski, Amanda Seyfried, Pierce Brosnan, Dominic Cooper, Colin Firth, Stellan Skarsgård, and Julie Walters. The plot follows a young bride-to-be named Sophie (Seyfried) who invites three men to her upcoming wedding, with the possibility that any of them could be her real father. The film was an international co-production between Germany, the United Kingdom, and the United States, and was co-produced by Playtone and Littlestar Productions.