Donna Sheridan, an independent, single mother who owns a small hotel on a Greek island, is preparing for her daughter's wedding, along with the help of her two old friends, Tanya and Rosie. Meanwhile Sophie, the spirited bride, has a plan. She secretly invites three of her mother's ex-lovers - Sam, Harry, and Bill - in hope of finding her biological father and having him escort her down the aisle on her big day.
Unfortunately the movie Mamma Mia! is not yet available on HBO Max.
| Production | Rita Wilson | Executive Producer |
| Production | Judy Craymer | Producer |
| Production | Mark Huffam | Executive Producer |
| Production | Gary Goetzman | Producer |
| Production | Björn Ulvaeus | Executive Producer |
| Directing | Phyllida Lloyd | Director |
| Editing | Lesley Walker | Editor |
| Production | Tom Hanks | Executive Producer |
| Production | Benny Andersson | Executive Producer |
| Writing | Catherine Johnson | Screenplay |
| Camera | Haris Zambarloukos | Director of Photography |
| Crew | Sian Milne | Stand In |
| Writing | Catherine Johnson | Musical |
| Sound | Martin Redhe Nord | Musician |
| Sound | Björn Ulvaeus | Songs |
| Sound | Stig Anderson | Songs |
| Writing | Benny Andersson | Lyricist |
| Sound | Benny Andersson | Songs |
| Writing | Björn Ulvaeus | Lyricist |
| Crew | Rick English | Stunts |
| Art | John Roberts | Painter |
| Art | Nick Palmer | Supervising Art Director |
| Camera | Philip Sindall | Camera Operator |
| Directing | Sally Jones | Script Supervisor |
| Costume & Make-Up | Linda Duffield | Seamstress |
| Sound | Michael Barry | Sound Re-Recording Mixer |
| Sound | Conor Mackey | Assistant Sound Editor |
| Production | Jim Hajicosta | Post Production Accountant |
| Art | Maxie McDonald | Property Master |
| Costume & Make-Up | Christina Baker | Makeup Artist |
| Crew | Anthony Van Laast | Choreographer |
| Camera | Marc Atherfold | Focus Puller |
| Costume & Make-Up | Michelle Matland | Assistant Costume Designer |
| Production | Orla Maxwell | Casting Associate |
| Visual Effects | Jeremy Hume | VFX Editor |
| Editing | Gabrielle Smith | Assistant Editor |
| Production | Siobhan Boyes | Post Production Coordinator |
| Camera | Peter Mountain | Still Photographer |
| Sound | Simon Hayes | Production Sound Mixer |
| Camera | Adrian McCarthy | Key Grip |
| Camera | Hamish Doyne-Ditmas | Focus Puller |
| Costume & Make-Up | Jenny Hawkins | Dresser |
| Art | Dean Clegg | Art Direction |
| Sound | Dominick Tavella | Sound Re-Recording Mixer |
| Art | Barbara Herman-Skelding | Set Decoration |
| Costume & Make-Up | Tina Earnshaw | Makeup Designer |
| Art | Helen Koutas | Graphic Designer |
| Art | Kate Curtis | Art Department Coordinator |
| Camera | Peter Byrne | Focus Puller |
| Production | Ellen Lewis | Casting |
| Visual Effects | Mark Nelmes | VFX Supervisor |
| Art | Rebecca Holmes | Art Direction |
| Art | Leonie Heys-Cerchio | Art Department Assistant |
| Editing | Bridgette Williams | First Assistant Editor |
| Crew | Nichola Treherne | Associate Choreographer |
| Costume & Make-Up | Lindsay Pugh | Costume Supervisor |
| Costume & Make-Up | Jacqueline Mulligan | Costumer |
| Sound | Alastair Sirkett | Sound Designer |
| Sound | Becky Bentham | Music Supervisor |
| Production | Kathy Sykes | Unit Production Manager |
| Costume & Make-Up | Zoe Tahir | Key Hair Stylist |
| Sound | Tony Lewis | Supervising Music Editor |
| Costume & Make-Up | J. Roy Helland | Makeup Artist |
| Costume & Make-Up | Belinda Hodgson | Makeup Artist |
| Costume & Make-Up | Francesca Crowder | Hairdresser |
| Editing | Saska Simpson | Assistant Editor |
| Sound | Tim Hands | Supervising Dialogue Editor |
| Directing | Richard Goodwin | Second Assistant Director |
| Art | John Bohan | Construction Manager |
| Art | Eric Strange | Props |
| Camera | Jody Knight | Best Boy Grip |
| Sound | Alex Joseph | Foley Editor |
| Crew | Gareth Milne | Stunt Coordinator |
| Sound | Nick Adams | Supervising Sound Editor |
| Production | Deryn Stafford | Production Coordinator |
| Camera | Simon Baker | "B" Camera Operator |
| Camera | Luke Redgrave | "C" Camera Operator |
| Costume & Make-Up | Polly Earnshaw | Makeup Artist |
| Editing | Sascha Dhillon | First Assistant Editor |
| Production | James Richardson | Production Accountant |
| Production | Rob Seager | Post Production Accountant |
| Directing | Christopher Newman | First Assistant Director |
| Camera | Martin Kenzie | "C" Camera Operator |
| Production | Stacy Mann | Publicist |
| Production | Priscilla John | Casting |
| Sound | Tim Surrey | Boom Operator |
| Sound | Jennie Evans | Dialogue Editor |
| Sound | Robert Houston | Music Editor |
| Art | Maria Djurkovic | Production Design |
| Costume & Make-Up | J. Roy Helland | Hairstylist |
| Lighting | John Higgins | Gaffer |
| Crew | Jeanette Haley | Post Production Supervisor |
| Art | Sarah Bicknell | Standby Art Director |
| Camera | Ashley Bond | Focus Puller |
| Costume & Make-Up | Eithné Fennel | Hairdresser |
| Costume & Make-Up | Lita Blechman | Costume Coordinator |
| Sound | Michael Minkler | Sound Re-Recording Mixer |
| Visual Effects | Paul Corbould | Special Effects Supervisor |
| Sound | Ricky Butt | Foley Artist |
| Sound | Martin Lowe | Vocal Coach |
| Sound | Mark Appleby | ADR Mixer |
| Sound | Peter Gleaves | ADR Mixer |
| Production | Abigail Barbier | ADR Voice Casting |
| Sound | Torquil Munro | Vocal Coach |
| Production | Louis Elman | ADR Voice Casting |
| Sound | Mia Soteriou | Vocal Coach |
| Sound | Mark Lafbery | Foley Recordist |
| Sound | Göran Arnberg | Orchestrator |
| Art | Matt Curtis | Title Designer |
| Crew | Philip Allchin | Transportation Captain |
| Sound | Martin Lowe | Conductor |
| Sound | Göran Arnberg | Vocal Coach |
| Sound | Ruth Sullivan | Foley Artist |
| Crew | Seon Rogers | Stunts |
| Crew | Jamie McLeod-Ross | Stunts |
| Crew | William 'Willie' Ramsay | Stunts |
| Crew | Justin Pearson | Stunts |
| Crew | Andy Pilgrim | Stunts |
| Crew | Kim McGarrity | Stunts |
| Crew | Roy Taylor | Stunts |
| Crew | Sarah Franzl | Stunt Double |
| Crew | Ian Kay | Stunts |
| Crew | Marvin Campbell | Stunts |
| Crew | Kai Martin | Stunts |
| Crew | Cristian Knight | Stunts |
| Crew | Andy Wareham | Stunts |
| Crew | David Anders | Stunts |
| Crew | Aldonio Danny Frietas | Stunts |
| Crew | Andy Merchant | Stunts |
| Crew | Tracy Caudle | Stunts |
| Crew | Nicholas Daines | Stunts |
| Production | Michele Tandy | Finance |
| Writing | Judy Craymer | Original Concept |
| Sound | Benny Andersson | Music |
| Sound | Björn Ulvaeus | Music |
| Sound | Agnetha Fältskog | Songs |
| Sound | Anni-Frid Lyngstad | Songs |
| Costume & Make-Up | Ann Roth | Costume Designer |
| Writing | Stig Anderson | Lyricist |
