Mamma Mia!

Two-time Oscar winner Meryl Streep poses at the world premiere of "Mamma Mia! The Movie" in London Monday, June 30, 2008. Hundreds of fans watched as the actors arrived in Leicester Square, which had been decorated with fake trees to look like the Greek island where the movie is set.

"Mamma Mia!" actress Amanda Seyfried arrives for the world premiere of the movie musical in London, Monday, June 30, 2008. The film is based on a stage musical featuring songs by Swedish pop group ABBA in telling the story of 18-year-old Sophie Sheridan (Seyfried) who tries to discover who her father is in time for her wedding day.

Irish actor Pierce Brosnan, who plays Sam Carmichael -- one of Sophie's three possible fathers in the film -- gestures as he jokes with a colleague while arriving for the world premiere of "Mamma Mia!" in London on Monday, June 30, 2008. The film dances into UK theatres on July 10 and U.S. theatres on July 18.

Actors Tom Hanks, right, and Rita Wilson pose for photographers at the "Mamma Mia!" world premiere in London on Monday, June 30, 2008. The couple were executive producers of the movie adaptation of the hit musical.

Former ABBA singer and "Mamma Mia!" executuve producer Benny Anderson poses for photographers as he arrives for the world premiere of the movie in London's Leicester Square, Monday, June 30, 2008. Andersson, said he'd "never been involved in making a movie before." He and co-executive producer Bjorn Ulvaeus make a cameo appearance in the film.

Former ABBA singer and "Mamma Mia!" executive producer Bjorn Ulvaeus arrives for the world premiere of the film adaptation of the mega musical based on the songs of ABBA at London's Leicester Square, Monday, June 30, 2008. The film's name comes from ABBA's 1975 chart-topper, "Mamma Mia."

Actress Meryl Streep greets spectators as she arrives for the world premiere of her new movie, "Mamma Mia!" at a cinema in central London's Leicester Square, Monday, June 30, 2008. Streep plays single mother Donna Sheridan with Pierce Brosnan, Colin Firth and Stellan Skarsgard playing three potential fathers to her daughter Sophie, played by Amanda Seyfried.

Actress Christine Baranski, center, accompanied by her daughters, Lily and Isabel, arrives for the world premiere of her latest movie, "Mamma Mia!," at a cinema in central London, Monday, June 30, 2008.

Actor Stellan Skarsgard arrives for the world premiere of "Mamma Mia!" in London, Monday June 30, 2008. Skarsgard plays a Swedish novelist, one of three men who could be the father of a young girl looking for her biological father in time for her wedding day.

British actress Julie Walter arrives for the world premiere of "Mamma Mia!," at a cinema in central London, Monday, June 30, 2008. Walter and Christine Baranski play the best friends of Meryl Streep's character, Donna.

In Greece

Actor Pierce Brosnan poses while promoting "Mamma Mia!" at the Lagonissi Grand Resort, about 25 miles south of Athens, Greece, Saturday, June 28, 2008. The film was shot at various locations in Greece.

Former ABBA group members, from left, Benny Andersson, Agnetha Fsltskog, Anni-Frid Lyngstad, Andersson's wife Mona Nsrklit,and Bjsrn Ulvaeus pose to promote "Mamma Mia! The Movie" near Athens, Greece, Saturday, June 28, 2008.

From right to left Pierce Brosnan, Meryl Streep, Stellan Skarsgard, Colin Firth, Amanda Seyfried and Dominic Cooper pose during a photo opportunity of the movie "Mamma Mia!" Saturday, June 28, 2008, at the at the Lagonissi Grand Resort near Athens, Greece.

"Mamma Mia!" star Meryl Streep poses at the Lagonissi Grand Resort, near Athens, Greece, Saturday, June 28, 2008. Streep leads an all-star cast in the feature-film adaptation of the beloved musical that has been seen by more than 30 million people in 170 cities and eight languages around the world.

Actors Meryl Streep, left, and Pierce Brosnan pose at the Lagonissi Grand Resort, near Athens, Greece, Saturday, June 28, 2008, where the cast of the movie musical "Mamma Mia!" gathered to promote their upcoming film.

Actress Meryl Streep, right, jokes with Amanda Seyfried, left, as Stellan Skarsgard, background, and Colin Firth look on as they were in Greece to promote "Mamma Mia! The Movie," at the Lagonissi Grand Resort, near Athens, Saturday, June 28, 2008. The movie is described as "a celebration of a mother, a daughter and three possible fathers".

Co-stars Meryl Streep and Pierce Brosnan appear at the New York premiere of their feature film "Mamma Mia!" Wednesday, July 16, 2008.

Irish actor Pierce Brosnan faces the cameras at the American premiere of his movie "Mamma Mia!" at the Ziegfeld Theater on Wednesday, July 16, 2008 in New York.

Mama Mia" co-stars Pierce Brosnan, left, and Christine Baranski attend a screening of "Mama Mia!" hosted by the Breast Cancer Research Foundation in Southampton, N.Y., Sunday, July 13, 2008.

Actress Amanda Seyfried, left, greets actress Meryl Streep, center, and her daughter Louisa Gummer at the American premiere of "Mamma Mia" at the Ziegfeld Theater on Wednesday, July 16, 2008 in New York.

In Greece

CBS News 24/7