Mamma Mia: Cast, Roles, Net Worth, Height, Families, And Relationships

Mamma Mia! (2008), directed by Phyllida Lloyd and written by Catherine Johnson, is a jukebox musical romantic comedy film based on the 1999 musical, using ABBA’s songs.

Set on the fictional Greek island of Kalokairi (filmed in Skopelos and Skiathos), it follows Sophie, a bride-to-be, who secretly invites three men from her mother Donna’s past to discover her father’s identity before her wedding.

The film, produced by Universal Pictures, Playtone, and Littlestar, grossed $611.4 million worldwide on a $52 million budget, becoming the fifth highest-grossing film of 2008.

Despite mixed reviews (66% on Rotten Tomatoes) for its campy tone and uneven singing, it became a cultural phenomenon, leading to a sequel, Mamma Mia! Here We Go Again (2018).

Main Cast and Their Roles

Meryl Streep as Donna Sheridan

• Role: Streep plays Donna, a single mother and former lead singer of Donna and the Dynamos, who runs a hotel on Kalokairi. Her vibrant, independent spirit and past romances with Sam, Bill, and Harry drive the plot. Streep’s “exuberant” performance, despite modest singing, earned a Golden Globe nomination and a Grammy nod for the soundtrack.
• Net Worth: $100 million
• Height: 5’6″ (1.68 m)
• Family: Born June 22, 1949, in Summit, New Jersey, to Mary Wilkinson Streep, an artist, and Harry William Streep Jr., a pharmaceutical executive. She has two brothers, Harry III and Dana Streep. Raised in Bernardsville, New Jersey
• Relationships: Married to Don Gummer, a sculptor, since 1978; they have four children: Henry (born 1979, musician), Mamie (born 1983, actress), Grace (born 1986, actress), and Louisa Gummer (born 1991, model). Separated from Gummer in 2017, per reports, but remain legally married

Amanda Seyfried as Sophie Sheridan

• Role: Seyfried plays Sophie, Donna’s 20-year-old daughter, who invites three men (Sam, Bill, Harry) to her wedding to Sky, hoping to identify her father. Her “rosy-cheeked” performance and clear vocals (I Have a Dream, Thank You for the Music) anchored the film. It was her first leading role.
• Net Worth: $16 million
• Height: 5’2″ (1.57 m)
• Family: Born December 3, 1985, in Allentown, Pennsylvania, to Ann Seyfried, an occupational therapist, and Jack Seyfried, a pharmacist. She has an older sister, Jennifer Seyfried, a musician
• Relationships: Married to Thomas Sadoski, an actor, since 2017; they have two children: Nina (born 2017) and Thomas (born 2020). Previously dated Dominic Cooper (2008–2009) and Justin Long (2013–2015)

Pierce Brosnan as Sam Carmichael

• Role: Brosnan plays Sam, an Irish architect and one of Sophie’s potential fathers, who rekindles his romance with Donna (Knowing Me, Knowing You, I Do, I Do, I Do, I Do, I Do). His singing was criticized as “painful” but his charm was noted.
• Net Worth: $200 million
• Height: 6’1″ (1.86 m)
• Family: Born May 16, 1953, in Drogheda, Ireland, to Thomas Brosnan, a carpenter, and May Smith, a nurse. An only child, he was raised in Navan, Ireland, and London after his father left
• Relationships: Married to Keely Shaye Smith, a journalist, since 2001; they have two sons, Dylan (born 1997) and Paris (born 2001). Previously married to Cassandra Harris (1980–1991, her death), with one son, Sean Brosnan (born 1983), and he adopted her two children, Charlotte (1971–2013) and Christopher Brosnan

Colin Firth as Harry Bright

• Role: Firth plays Harry, a British banker and potential father to Sophie, revealed as gay in the film’s climax, adding depth to his nostalgic arc (Thank You for the Music, Knowing Me, Knowing You). His “audacious” casting was a fan favorite.
• Net Worth: $25 million
• Height: 6’2″ (1.87 m)
• Family: Born September 10, 1960, in Grayshott, England, to Shirley Firth and David Firth, both academics. He has a younger sister, Kate Firth, a voice coach, and a younger brother, Jonathan Firth, an actor
• Relationships: Married to Livia Giuggioli, a producer, from 1997 to 2019; they have two sons, Luca (born 2001) and Matteo (born 2003). He has one son, William Joseph Firth (born 1990), with Meg Tilly. Dating Maggie Cohn, a writer, since 2021

Stellan Skarsgård as Bill Anderson

• Role: Skarsgård plays Bill, a carefree Swedish adventurer and potential father to Sophie, who sparks a romance with Rosie (Take a Chance on Me). His singing was panned, but his charisma was praised.
• Net Worth: $50 million
• Height: 6’3″ (1.91 m)
• Family: Born June 13, 1951, in Gothenburg, Sweden, to Gudrun and Jan Skarsgård. He has one sister, Eija Skarsgård. Raised in multiple Swedish cities
• Relationships: Married to Megan Everett since 2009; they have two sons, Ossian (born 2009) and Kolbjörn (born 2012). Previously married to My Skarsgård (1975–2007), with six children: Alexander, Gustaf, Sam, Bill, Eija, and Valter Skarsgård, all actors except Eija, a model

Julie Walters as Rosie Mulligan

• Role: Walters plays Rosie, a witty, single member of Donna and the Dynamos, who flirts with Bill (Take a Chance on Me). Her comedic timing was a standout, despite vocal critiques.
• Net Worth: $2 million to $5 million
• Height: 5’3″ (1.60 m)
• Family: Born February 22, 1950, in Birmingham, England, to Mary Bridget O’Brien and Thomas Walters, a builder. She has two older brothers, Martin and Kevin Walters
• Relationships: Married to Grant Roffey since 1997; they have one daughter, Maisie Roffey (born 1988). Diagnosed with stage 3 bowel cancer in 2018, she announced remission in 2020 and retired from acting, with a possible exception for Mamma Mia 3

Christine Baranski as Tanya Chesham-Leigh

• Role: Baranski plays Tanya, a glamorous, thrice-divorced Dynamo who flirts with younger men (Does Your Mother Know). Her comedic, sultry performance was likened to Samantha Jones from Sex and the City.
• Net Worth: $14 million
• Height: 5’10” (1.77 m)
• Family: Born May 2, 1952, in Buffalo, New York, to Virginia Mazurowski and Lucien Baranski, a newspaper editor. She has one older sister, Barbara Baranski
• Relationships: Married to Matthew Cowles, an actor, from 1983 until his death in 2014; they have two daughters, Isabel (born 1984) and Lily Cowles (born 1987, actress)

Dominic Cooper as Sky

• Role: Cooper plays Sky, Sophie’s charming fiancé, who plans to marry her and stay on Kalokairi (Lay All Your Love on Me). His “lovable” role grew in the sequel.
• Net Worth: $5 million
• Height: 5’10” (1.77 m)
• Family: Born June 2, 1978, in Greenwich, London, to Julie Heron, a nursery school teacher, and an unnamed father, an auctioneer. He has two brothers, James and Simon Cooper
• Relationships: Dating Gemma Chan, an actress (Eternals), since 2018. Previously dated Amanda Seyfried (2008–2009). No children

Additional Notes

Salaries: Streep earned $8 million, Brosnan, Firth, and Skarsgård $1–2 million each, Seyfried $500,000–$1 million, and Baranski, Walters, and Cooper $500,000 each.

The cast accounted for ~$15 million of the $52 million budget.

Impact and Legacy: Mamma Mia!’s $611.4 million box office made it the highest-grossing musical film until Les Misérables (2012).

Its sing-along edition (August 2008) and ABBA’s timeless songs (Dancing Queen, Mamma Mia) fueled its popularity.

Critics noted the nonsensical plot but praised its “joyful abandon” and Streep’s star power.

The Swedish premiere with ABBA members present marked a cultural milestone, their first joint appearance since 1986.

Post-Film Careers: Streep starred in The Post and Big Little Lies.

Seyfried won awards for The Dropout.

Brosnan joined Black Adam and exhibited art.

Firth earned an Oscar for The King’s Speech.

Skarsgård led Dune and Andor.

Walters retired post-cancer, Baranski starred in The Gilded Age, and Cooper in Preacher.

Most returned for the 2018 sequel.

Cultural Influence: The film’s Greek island setting, vibrant costumes, and ABBA soundtrack created a feel-good escape, with fans loving the campy flash mobs and Streep’s Dancing Queen.

Harry’s coming-out scene resonated, and the “who’s the father?” mystery added charm.

Its success revived jukebox musicals, influencing films like Rocketman (2019).

The “BinJin” buzz from Crash Landing on You parallels Seyfried and Cooper’s brief romance, amplifying fan interest.

Conclusion

The Mamma Mia! cast, led by Streep’s dynamic Donna and Seyfried’s spirited Sophie, turned ABBA’s music into a global cinematic hit.

Their net worths, from $5 million (Cooper) to $200 million (Brosnan), reflect diverse careers in film, TV, and theater.

Their personal lives, from Streep’s long marriage to Walters’ health journey, echo the film’s themes of love and resilience.

Despite vocal critiques, Mamma Mia!’s infectious joy and stellar ensemble cemented its status as a beloved musical classic.