Rollebesetning

• Amanda Seyfried — Sophie Sheridan
• Lily James — Young Donna Sheridan
• Meryl Streep — Donna Sheridan
• Celia Imrie — Vice-Chancellor
• Dominic Cooper — Sky Rymand
• Julie Walters — Rosie Mulligan
• Christine Baranski — Tanya Chesham-Leigh
• Pierce Brosnan — Sam Carmichael
• Stellan Skarsgård — Bill Anderson
• Omid Djalili — Customs Officer
• Naoko Mori — Yumiko
• Colin Firth — Harry Bright
• Anastasia Hille — Dr. Inge Horvath
• Cher — Ruby Sheridan
• Jessica Keenan Wynn — Young Tanya
• Alexa Davies — Young Rosie Mulligan
• Jeremy Irvine — Young Sam Carmichael
• Hugh Skinner — Young Harry Bright
• Josh Dylan — Young Bill Anderson
• Maria Vacratsis — Sofia
• Panos Mouzourakis — Lazaros
• Gerard Monaco — Alexio
• Björn Ulvaeus — Oxford professor
• Jonathan Goldsmith — Rafael Cienfuegos
• Susanne Barklund — Alma
• Kathryn Akin — Ensemble Performer
• Tim Wallers — Ensemble Performer
• Duncan Smith — Ensemble Performer
• Cassie Clare — Ensemble Performer
• Jenny Galloway — Ensemble Performer
• Benny Andersson — "Waterloo" Pianist
• Togo Igawa — Tateyama
• Andy Garcia — Fernando Cienfuegos