Mamma Mia! (promoted as Mamma Mia! The Movie) Is a 2008 jukebox musical romantic comedy film directed by Phyllida Lloyd and written by Catherine Johnson based on the 1999 musical of the same name, also written by Johnson, which itself is based on the songs of the pop group ABBA, including the title song, with additional music composed by ABBA member Benny Andersson. The film features an ensemble cast, including Christine Baranski, Pierce Brosnan, Dominic Cooper, Colin Firth, Amanda Seyfried, Stellan Skarsgård, Meryl Streep and Julie Walters. The plot follows a young bride-to-be who invites three men to her upcoming wedding, each one with the possibility of being her father.