Meryl Streep as Donna Sheridan

Amanda Seyfried as Sophie Sheridan

Pierce Brosnan as Sam Carmichael

Colin Firth as Harry Bright

Stellan Skarsgård as Bill Anderson

Julie Walters as Rosie Mulligan

Dominic Cooper as Sky Rymand

Christine Baranski as Tanya Chesham-Leigh

Niall Buggy as Father Alex

Chris Jarvis as Eddie

Ashley Lilley as Ali

Rachel McDowall as Lisa

Philip Michael as Pepper

Juan Pablo Di Pace as Petros

Enzo Squillino Jr. as Gregoris

Ricardo Montez as Stavros

Benny Andersson as Piano Player on Boat (uncredited)

Spencer Kayden as Agnes - Dancer (uncredited)

Björn Ulvaeus as Greek God (uncredited)

Rita Wilson as Greek Goddess (uncredited)

Nancy Baldwin as Sam's PA

Heather Emmanuel as Harry's Housekeeper

Colin Davis as Harry's Driver

Mia Soteriou as Arina

George Georgiou as Panos

Hemi Yeroham as Dimitri

Maria Lopiano as Ione

Norma Atallah as Irini

Myra McFadyen as Elena

Leonie Hill as Ariana

Jane Foufas as Elpida

Karl Bowe as Stag

Celestina Banjo as Hen

Emrhys Cooper as Stag

Maria Despina as Hen

Gareth Davis as Stag

Charlotte Habib as Hen

Gareth Derrick as Stag

Jennifer Leung as Hen

Kage Douglas as Stag

Lydia Louisa as Hen

Phillip Dzwonkiewicz as Stag

Kristina MacMillan as Hen

Tommy Franzen as Stag

Lauri Owen as Hen

Tom Goodall as Stag

Joanne Sandi as Hen

Aykut Hilmi as Stag

Christie Saunders as Hen

Jamie Hughes-Ward as Stag

Emma Slater as Hen

Taylor James as Stag

Helen Soraya as Hen

Jack Jefferson as Stag

Caterina Spano as Hen

Peter Le Brun as Stag

Michelle Theunissen as Hen

Sebastien Torkia as Stag

Kitty Whitelaw as Hen

Dylan Turner as Stag

Nikki Davis-Jones as Hen

Ed White as Stag

Michelle Trimboli as Hen

Sean Williams as Stag

Kirsty Mather as Hen

Lee Honey-Jones as Stag

Rebecca Lee as Hen

Gareth Chart as Stag

Clare Louise Connolly as Hen

Sonny Lee Hymas as Stag

Kirsty Swain as Hen

Tim Stanley as Stag

Lisa Reynolds as Hen

Sara West as Hen

Claire Fishenden as Hen

Adrian Allan as Businessman (uncredited)

Anthony Backman as Dancer (uncredited)

Mackenzie Criswell as Dancer (uncredited)

Lori Haley Fox as Dancer (uncredited)

Sommer Garcia as Dancer (uncredited)

Will Jeffs as Singer (uncredited)

Kirk McGee as Dancer (uncredited)

Meghan McLeod as Dancer (uncredited)

Nikki Rapp as Dancer (uncredited)