 | Meryl Streep als Donna Sheridan |
 | Pierce Brosnan als Sam Carmichael |
 | Colin Firth als Harry Bright |
 | Stellan Skarsgård als Bill Anderson |
 | Julie Walters als Rosie Mulligan |
 | Amanda Seyfried als Sophie Sheridan |
 | Dominic Cooper als Sky Rymand |
 | Christine Baranski als Tanya Chesham-Leigh |
 | Niall Buggy als Father Alex |
 | Chris Jarvis als Eddie |
 | Ashley Lilley als Ali |
 | Rachel McDowall als Lisa |
 | Philip Michael als Pepper |
 | Juan Pablo Di Pace als Petros |
 | Enzo Squillino Jr. als Gregoris |
 | Ricardo Montez als Stavros |
 | Benny Andersson als Piano Player on Boat (uncredited) |
 | Spencer Kayden als Agnes - Dancer (uncredited) |
 | Björn Ulvaeus als Greek God (uncredited) |
 | Rita Wilson als Greek Goddess (uncredited) |
 | Nancy Baldwin als Sam's PA |
 | Heather Emmanuel als Harry's Housekeeper |
| Colin Davis als Harry's Driver |
 | Mia Soteriou als Arina |
 | George Georgiou als Panos |
 | Hemi Yeroham als Dimitri |
| Maria Lopiano als Ione |
 | Norma Atallah als Irini |
 | Myra McFadyen als Elena |
| Leonie Hill als Ariana |
| Jane Foufas als Elpida |
| Karl Bowe als Stag |
| Celestina Banjo als Hen |
 | Emrhys Cooper als Stag |
 | Maria Despina als Hen |
| Gareth Davis als Stag |
| Charlotte Habib als Hen |
| Gareth Derrick als Stag |
| Jennifer Leung als Hen |
| Kage Douglas als Stag |
 | Lydia Louisa als Hen |
| Phillip Dzwonkiewicz als Stag |
| Kristina MacMillan als Hen |
 | Tommy Franzen als Stag |
| Lauri Owen als Hen |
| Tom Goodall als Stag |
 | Joanne Sandi als Hen |
 | Aykut Hilmi als Stag |
| Christie Saunders als Hen |
| Jamie Hughes-Ward als Stag |
 | Emma Slater als Hen |
 | Taylor James als Stag |
 | Helen Soraya als Hen |
| Jack Jefferson als Stag |
| Caterina Spano als Hen |
| Peter Le Brun als Stag |
| Michelle Theunissen als Hen |
 | Sebastien Torkia als Stag |
| Kitty Whitelaw als Hen |
 | Dylan Turner als Stag |
| Nikki Davis-Jones als Hen |
 | Ed White als Stag |
| Michelle Trimboli als Hen |
| Sean Williams als Stag |
 | Kirsty Mather als Hen |
 | Lee Honey-Jones als Stag |
| Rebecca Lee als Hen |
| Gareth Chart als Stag |
 | Clare Louise Connolly als Hen |
| Sonny Lee Hymas als Stag |
| Kirsty Swain als Hen |
 | Tim Stanley als Stag |
 | Lisa Reynolds als Hen |
| Sara West als Hen |
| Claire Fishenden als Hen |
| Adrian Allan als Businessman (uncredited) |
 | Maeve Yanes als Boat Driver (uncredited) |
 | Anthony Backman als Dancer (uncredited) |
 | Mackenzie Criswell als Dancer (uncredited) |
 | Lori Haley Fox als Dancer (uncredited) |
 | Sommer Garcia als Dancer (uncredited) |
 | Will Jeffs als Singer (uncredited) |
 | Kirk McGee als Dancer (uncredited) |
 | Meghan McLeod als Dancer (uncredited) |
| Nikki Rapp als Dancer (uncredited) |
| Phyllida Lloyd | Director |
| Rita Wilson | Executive Producer |
| Haris Zambarloukos | Director of Photography |
| Catherine Johnson | Screenplay |
| Benny Andersson | Executive Producer |
| Björn Ulvaeus | Executive Producer |
| Gary Goetzman | Producer |
| Mark Huffam | Executive Producer |
| Judy Craymer | Producer |
| Tom Hanks | Executive Producer |
| Lesley Walker | Editor |
| Sally Jones | Script Supervisor |
| J. Roy Helland | Makeup Artist |
| Jenny Hawkins | Dresser |
| Orla Maxwell | Casting Associate |
| Dominick Tavella | Sound Re-Recording Mixer |
| Ann Roth | Costume Design |
| Ellen Lewis | Casting |
| Nick Palmer | Supervising Art Director |
| Hamish Doyne-Ditmas | Focus Puller |
| Jody Knight | Best Boy Grip |
| Martin Lowe | Vocal Coach |
| Anthony Van Laast | Choreographer |
| Tina Earnshaw | Makeup Designer |
| Deryn Stafford | Production Coordinator |
| Simon Baker | "B" Camera Operator |
| Ashley Bond | Focus Puller |
| Michelle Matland | Assistant Costume Designer |
| Conor Mackey | Assistant Sound Editor |
| Louis Elman | ADR Voice Casting |
| Göran Arnberg | Vocal Coach |
| Kathy Sykes | Unit Production Manager |
| John Higgins | Gaffer |
| Mark Nelmes | VFX Supervisor |
| Belinda Hodgson | Makeup Artist |
| Eithné Fennel | Hairdresser |
| Jeremy Hume | VFX Editor |
| Siobhan Boyes | Post Production Coordinator |
| Abigail Barbier | ADR Voice Casting |
| Martin Kenzie | "C" Camera Operator |
| Tim Hands | Supervising Dialogue Editor |
| Robert Houston | Music Editor |
| Jim Hajicosta | Post Production Accountant |
| Mark Lafbery | Foley Recordist |
| Göran Arnberg | Orchestrator |
| Zoe Tahir | Key Hair Stylist |
| Tony Lewis | Supervising Music Editor |
| Marc Atherfold | Focus Puller |
| Polly Earnshaw | Makeup Artist |
| Christina Baker | Makeup Artist |
| Jennie Evans | Dialogue Editor |
| Alex Joseph | Foley Editor |
| Richard Goodwin | Second Assistant Director |
| Philip Sindall | Camera Operator |
| Tim Surrey | Boom Operator |
| Linda Duffield | Seamstress |
| Michael Minkler | Sound Re-Recording Mixer |
| Stacy Mann | Publicist |
| Paul Corbould | Special Effects Supervisor |
| Adrian McCarthy | Key Grip |
| Nichola Treherne | Associate Choreographer |
| Rebecca Holmes | Art Direction |
| Helen Koutas | Graphic Designer |
| J. Roy Helland | Hairstylist |
| Jacqueline Mulligan | Costumer |
| Bridgette Williams | First Assistant Editor |
| Rob Seager | Post Production Accountant |
| Priscilla John | Casting |
| Simon Hayes | Production Sound Mixer |
| Jeanette Haley | Post Production Supervisor |
| Kate Curtis | Art Department Coordinator |
| Leonie Heys-Cerchio | Art Department Assistant |
| Luke Redgrave | "C" Camera Operator |
| Lita Blechman | Costume Coordinator |
| Sascha Dhillon | First Assistant Editor |
| Michael Barry | Sound Re-Recording Mixer |
| Mark Appleby | ADR Mixer |
| Ruth Sullivan | Foley Artist |
| Christopher Newman | First Assistant Director |
| Gabrielle Smith | Assistant Editor |
| Gareth Milne | Stunt Coordinator |
| Matt Curtis | Title Designer |
| Maria Djurkovic | Production Design |
| Dean Clegg | Art Direction |
| Peter Byrne | Focus Puller |
| Lindsay Pugh | Costume Supervisor |
| Saska Simpson | Assistant Editor |
| Alastair Sirkett | Sound Designer |
| Peter Gleaves | ADR Mixer |
| Ricky Butt | Foley Artist |
| John Bohan | Construction Manager |
| Nick Adams | Supervising Sound Editor |
| Eric Strange | Props |
| Peter Mountain | Still Photographer |
| Mia Soteriou | Vocal Coach |
| Becky Bentham | Music Supervisor |
| Barbara Herman-Skelding | Set Decoration |
| Sarah Stuart | Standby Art Director |
| Francesca Crowder | Hairdresser |
| James Richardson | Production Accountant |
| Torquil Munro | Vocal Coach |
| Maxie McDonald | Property Master |
| Philip Allchin | Transportation Captain |
| Martin Lowe | Conductor |
| Michele Tandy | Finance |
| Martin Redhe Nord | Musician |
| Catherine Johnson | Musical |
| Benny Andersson | Songs |
| Benny Andersson | Lyricist |
| Björn Ulvaeus | Songs |
| Björn Ulvaeus | Lyricist |
| Stig Anderson | Songs |
| Stig Anderson | Lyricist |
| Benny Andersson | Original Music Composer |
| Björn Ulvaeus | Original Music Composer |
| Sarah Franzl | Stunt Double |
| David Anders | Stunts |
| Marvin Campbell | Stunts |
| Tracy Caudle | Stunts |
| Rick English | Stunts |
| Nicholas Daines | Stunts |
| Ian Kay | Stunts |
| Aldonio Danny Frietas | Stunts |
| Kai Martin | Stunts |
| Cristian Knight | Stunts |
| Jamie McLeod-Ross | Stunts |
| Kim McGarrity | Stunts |
| Justin Pearson | Stunts |
| Andy Pilgrim | Stunts |
| Andy Merchant | Stunts |
| Seon Rogers | Stunts |
| Roy Taylor | Stunts |
| William 'Willie' Ramsay | Stunts |
| Andy Wareham | Stunts |
| Sian Milne | Stand In |
