Lily James, Amanda Seyfried and Christine Baranski lead as young and older versions of Sky and the Dynamos in Mamma Mia! Here We Go Again.
Main cast
- Sophie SheridanAmanda SeyfriedMain
- Donna SheridanMeryl StreepMain
- Young DonnaLily JamesMain
- Sam CarmichaelPierce BrosnanMain
- TanyaChristine BaranskiMain
- RosieJulie WaltersMain
- SkyDominic CooperMain
- Bill AndersonStellan SkarsgårdMain
- Harry BrightColin FirthMain
Supporting cast
- Young SamJeremy IrvineSupp
- Young BillJosh DylanSupp
- Young HarryHugh SkinnerSupp
- Young RosieAlexa DaviesSupp
- Young TanyaJessica Keenan WynnSupp
- Ruby SheridanCherSupp
- FernandoAndy GarcíaSupp
Guest & voice
- Young Sophie (vocal double only)Lily JamesVoice
No matches — try another name.
About this cast
Mamma Mia! Here We Go Again is the 2018 musical romantic comedy film and sequel to Mamma Mia!. The story follows Sophie as she learns more about her mother Donna’s past, with Lily James playing young Donna. The main cast includes Amanda Seyfried as Sophie, Dominic Cooper as Sky, and Christine Baranski as Tanya, alongside returning stars Meryl Streep and Pierce Brosnan.
FAQs
Who plays young Donna in Mamma Mia 2?
Lily James plays young Donna Sheridan in flashback sequences.
Is Meryl Streep in Mamma Mia Here We Go Again?
Yes, Meryl Streep returns as Donna Sheridan, though her role is smaller due to the film’s dual timeline structure.
Who plays the character of Sophie in Mamma Mia 2?
Amanda Seyfried reprises her role as Sophie Sheridan from the first film.
Does Cher appear in Mamma Mia 2?
Yes, Cher plays Ruby Sheridan, Sophie’s grandmother and Donna’s mother.
Are the same actors from the first film in the sequel?
Many original cast members return, including Amanda Seyfried, Meryl Streep, Pierce Brosnan, Colin Firth, Stellan Skarsgård, Dominic Cooper, Christine Baranski and Julie Walters.
Sources & where to watch: IMDb · Wikipedia · Where to watch (JustWatch UK) · Updated June 2026