Amanda Seyfried Sophie Andy García Fernando Cienfuegos Celia Imrie Vice Chancellor Lily James Young Donna Alexa Davies Young Rosie Jessica Keenan Wynn Young Tanya Dominic Cooper Sky Julie Walters Rosie Christine Baranski Tanya Hugh Skinner Young Harry Pierce Brosnan Sam Omid Djalili Greek Official Josh Dylan Young Bill Gerard Monaco Alexio Anna Antoniades Apollonia Jeremy Irvine Young Sam Panos Mouzourakis Lazaros Maria Vacratsis Sofia Naoko Mori Yumiko Togo Igawa Mr. Tatyama Colin Firth Harry Anastasia Hille Dr. Inge Horvath Stellan Skarsgård Bill / Kurt Susanne Barklund Alma Cher Ruby Sheridan Jonathan Goldsmith Brother Cienfuegos Meryl Streep Donna Sharif Afifi Ensemble Performer Kathryn Akin Ensemble Performer Wendy Baldock Ensemble Performer William Bozier Ensemble Performer Dale Branston Ensemble Performer Ava Brennan Ensemble Performer Cassie Clare Ensemble Performer Tom Clark Ensemble Performer Myra McFadyen Ensemble Performer Amanda Seyfried Sophie Andy García Fernando Cienfuegos Celia Imrie Vice Chancellor Lily James Young Donna Alexa Davies Young Rosie Jessica Keenan Wynn Young Tanya Dominic Cooper Sky Julie Walters Rosie Christine Baranski Tanya Hugh Skinner Young Harry Pierce Brosnan Sam Omid Djalili Greek Official Josh Dylan Young Bill Gerard Monaco Alexio Anna Antoniades Apollonia Jeremy Irvine Young Sam Panos Mouzourakis Lazaros Maria Vacratsis Sofia Naoko Mori Yumiko Togo Igawa Mr. Tatyama Colin Firth Harry Anastasia Hille Dr. Inge Horvath Stellan Skarsgård Bill / Kurt Susanne Barklund Alma Cher Ruby Sheridan Jonathan Goldsmith Brother Cienfuegos Meryl Streep Donna Sharif Afifi Ensemble Performer Kathryn Akin Ensemble Performer Wendy Baldock Ensemble Performer William Bozier Ensemble Performer Dale Branston Ensemble Performer Jacqueline Braun Ensemble Performer Ava Brennan Ensemble Performer Dawn Buckland Ensemble Performer Peter Challis Ensemble Performer Cassie Clare Ensemble Performer Tom Clark Ensemble Performer Leon Cooke Ensemble Performer Maria Despina Ensemble Performer Sonia Dorado Ensemble Performer Nathaniel Ellul Ensemble Performer Nia Fisher Ensemble Performer Jane Fowler Ensemble Performer Tommy Franzen Ensemble Performer Adam Galbraith Ensemble Performer Jenny Galloway Ensemble Performer Louise Gold Ensemble Performer Sharon Gomez Ensemble Performer Alison Harding Ensemble Performer Myra McFadyen Ensemble Performer