Meryl Streep Joins 'Mamma Mia' Musical

Mamma Mia!

Meryl Streep is set to star in "Mamma Mia!," the bigscreen adaptation of the hit tuner that Universal and producing partners Playtone and Littlestar are mobilizing for a summer start.

Littlestar's Judy Craymer will produce with Playtone's Gary Goetzman. Tom Hanks and Rita Wilson will exec produce with Benny Andersson and Bjorn Ulvaeus, the Abba songwriters whose tunes drive the musical.