Amanda Michelle Seyfried is an American actress, singer and songwriter. She began acting at 15, with recurring roles as Lucy Montgomery in the CBS soap opera As the World Turns (1999–2001) and Joni Stafford in the ABC soap opera All My Children (2003). She came to prominence for her feature film debut in the teen comedy Mean Girls (2004), and for her roles as Lilly Kane in the UPN mystery drama series Veronica Mars (2004–2006) and Sarah Henrickson in the HBO drama series Big Love (2006–2011).

Mamma Mia! is a 2008 jukebox musical rom com 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 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, with the possibility that any of them could be her 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.