Lily James plays young Donna Sheridan, Amanda Seyfried plays Sophie Sheridan, and Christine Baranski plays Tanya Chesham-Leigh in Mamma Mia! Here We Go Again.
Main cast
- Donna Sheridan (young)Lily JamesMain
- Sophie SheridanAmanda SeyfriedMain
- Tanya Chesham-LeighChristine BaranskiMain
- Rosie MulliganJulie WaltersMain
- Sam CarmichaelPierce BrosnanMain
- Harry BrightColin FirthMain
- Bill AndersonStellan SkarsgårdMain
- Donna Sheridan (older)Meryl StreepMain
Supporting cast
- Young Sam CarmichaelJeremy IrvineSupp
- Young Harry BrightHugh SkinnerSupp
- Young Bill AndersonJosh DylanSupp
- Young TanyaJessica Keenan WynnSupp
- Young RosieAlexa DaviesSupp
- SkyDominic CooperSupp
Guest & voice
- Ruby SheridanCherGuest
- FernandoAndy GarcíaGuest
- Monsieur CienfuegosOmid DjaliliGuest
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About this cast
Mamma Mia! Here We Go Again (2018) is a jukebox musical comedy sequel/prequel to the 2008 film, featuring the songs of ABBA. The story intercuts between young Donna in 1979 and Sophie preparing to reopen the hotel in the present day. The film brings back most of the original cast alongside new actors playing younger versions of the characters.
FAQs
Who plays young Donna Sheridan in Mamma Mia Here We Go Again?
Lily James plays the young version of Donna Sheridan, the role originated by Meryl Streep.
Who plays Sophie in Mamma Mia Here We Go Again?
Amanda Seyfried reprises her role as Sophie Sheridan, Donna’s daughter.
Is Meryl Streep in Mamma Mia Here We Go Again?
Yes, Meryl Streep appears as the older Donna Sheridan in a cameo during the finale.
Who plays young Sam in Mamma Mia Here We Go Again?
Jeremy Irvine plays young Sam Carmichael, while Pierce Brosnan plays the older Sam.
Who plays Ruby Sheridan in the film?
Cher plays Ruby Sheridan, Sophie’s grandmother and Donna’s mother, in a guest role.
Sources & where to watch: IMDb · Wikipedia · Where to watch (JustWatch UK) · Updated June 2026