When Jeff plans to marry again, his triplet daughters Megan, Lisa and Jessie try to bring him together with Susan.
Unfortunately the movie Parent Trap III is not yet available on HBO Max.
| Directing | Mollie Miller | Director |
| Writing | Deborah Amelon | Screenplay |
| Sound | Joel McNeely | Original Music Composer |
| Directing | Frederic B. Blankfein | First Assistant Director |
| Directing | John Eyler | Second Assistant Director |
| Art | Ray Storey | Art Direction |
| Costume & Make-Up | Pete Altobelli | Makeup Artist |
| Costume & Make-Up | Faith Vecchio | Hairstylist |
| Production | Robert M. Rolsky | Unit Production Manager |
| Costume & Make-Up | Dawn J. Jackson | Key Costumer |
| Art | Ethel Robins Richards | Set Decoration |
| Sound | George Doering | Musician |
| Production | Henry Colman | Producer |
| Editing | Duane Hartzell | Editor |
| Writing | Erich Kästner | Novel |
| Production | Kathleen Letterie | Casting |
| Production | Gary DeGalla | Location Manager |
| Sound | Dean Okrand | Sound Mixer |
| Production | Teri Christopher | Production Coordinator |
| Writing | Jill Donner | Screenplay |
| Costume & Make-Up | Tom Bronson | Costume Design |
| Sound | Joe Kenworthy | Production Sound Mixer |
| Art | Tracy Farrington | Property Master |
| Production | Jill Donner | Producer |
| Lighting | Paul Jacobsen | Lighting Technician |
| Production | Peg Halligan | Casting Coordinator |
| Sound | Matt Walker | Music Director |
| Directing | Pamela Alch | Script Supervisor |
| Editing | Howard Kunin | Editor |
| Costume & Make-Up | Bill Tiegs | Key Costumer |
| Camera | Isidore Mankofsky | Director of Photography |
