Following the death of their patriarch Gus, the Portokalos family travels to Greece for a family reunion, and to deliver Gus' journal to his old friends.
You can now watch My Big Fat Greek Wedding 3 online on the following streaming providers in the United States.
| Directing | Nia Vardalos | Director |
| Art | Grant Armstrong | Production Design |
| Art | Matthew Kerly | Supervising Art Director |
| Crew | Apostolos Polyhroniadis | Key Scenic Artist |
| Sound | Pete Blaxill | Second Assistant Sound |
| Sound | Nikos Drakos | Boom Operator |
| Sound | Kian McClure | First Assistant Sound Editor |
| Crew | Pete Blaxill | Playback Coordinator |
| Sound | Colin Nicolson | Production Sound Mixer |
| Camera | Fabrizio Sciarra | Camera Operator |
| Camera | Fabrizio Sciarra | Steadicam Operator |
| Camera | Panos Tsigas | Camera Operator |
| Costume & Make-Up | Spencer Lammy | Principal Costumer |
| Directing | Aria Harrison | Script Supervisor |
| Crew | Cassandra Barbour | Clearances Coordinator |
| Crew | Adam R. Mehr | Legal Services |
| Costume & Make-Up | Spencer Lammy | Key Costumer |
| Crew | Jenna Barnes | Production Controller |
| Writing | Nia Vardalos | Writer |
| Production | Paul Brooks | Executive Producer |
| Production | Michael P. Flannigan | Executive Producer |
| Production | Scott Niemeyer | Executive Producer |
| Production | Rita Wilson | Producer |
| Production | Gary Goetzman | Producer |
| Production | Tom Hanks | Producer |
| Camera | Barry Peterson | Director of Photography |
| Sound | Herbert Rawlinson | Dialogue Editor |
| Sound | Deva Anderson | Music Supervisor |
| Sound | Alexios Koukias-Pantelis | Music Coordinator |
| Crew | Michael Constantine | In Memory Of |
| Production | Nia Vardalos | Executive Producer |
| Editing | Annette Davey | Editor |
| Editing | Craig Herring | Editor |
| Sound | Stephanie Economou | Original Music Composer |
| Art | Dafni Kalogianni | Art Direction |
| Art | Michael Standish | Set Decoration |
| Costume & Make-Up | Timothy A. Wonsik | Costume Design |
| Costume & Make-Up | Georgia Apalodima | Makeup Artist |
| Costume & Make-Up | Kyriaky Melidou | Makeup Artist |
| Costume & Make-Up | Alexandra Myta | Makeup Department Head |
| Costume & Make-Up | Alex Priftis | Hairstylist |
| Costume & Make-Up | Kathleen Shugrue | Hairstylist |
| Costume & Make-Up | Ioulia Sygrimi | Hair Department Head |
| Directing | Marco Ciglia | First Assistant Director |
| Directing | Emmelia Chatziandreou | Assistant Director |
| Art | Fanis Nizamis | Set Dresser |
| Sound | John Ross | Sound Re-Recording Mixer |
| Sound | Anthony Vanchure | Supervising Sound Editor |
| Sound | Joe Dzuban | Sound Re-Recording Mixer |
| Sound | Ezra Dweck | Sound Effects Editor |
| Crew | Sotiris Kraniotis | Stunt Coordinator |
| Camera | Spyros Christoforatos | Grip |
| Camera | Andonis Goritsas | Grip |
| Camera | Giorgos Petrakis | Steadicam Operator |
| Lighting | Jonathan Spencer | Gaffer |
| Costume & Make-Up | Jennifer Schreck | Costume Supervisor |
