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 |
| Camera | Isidore Mankofsky | Director of Photography |
| Sound | Joel McNeely | Original Music Composer |
| Costume & Make-Up | Tom Bronson | Costume Design |
| Art | Ray Storey | Art Direction |
| Directing | Frederic B. Blankfein | First Assistant Director |
| Production | Gary DeGalla | Location Manager |
| Editing | Duane Hartzell | Editor |
| Costume & Make-Up | Bill Tiegs | Key Costumer |
| Costume & Make-Up | Faith Vecchio | Hairstylist |
| Production | Peg Halligan | Casting Coordinator |
| Sound | Matt Walker | Music Director |
| Production | Kathleen Letterie | Casting |
| Sound | Dean Okrand | Sound Mixer |
| Sound | George Doering | Musician |
| Production | Jill Donner | Producer |
| Sound | Joe Kenworthy | Production Sound Mixer |
| Lighting | Paul Jacobsen | Lighting Technician |
| Writing | Jill Donner | Screenplay |
| Editing | Howard Kunin | Editor |
| Costume & Make-Up | Pete Altobelli | Makeup Artist |
| Directing | Pamela Alch | Script Supervisor |
| Directing | John Eyler | Second Assistant Director |
| Writing | Erich Kästner | Novel |
| Art | Tracy Farrington | Property Master |
| Art | Ethel Robins Richards | Set Decoration |
| Production | Henry Colman | Producer |
| Production | Robert M. Rolsky | Unit Production Manager |
| Costume & Make-Up | Dawn J. Jackson | Key Costumer |
| Production | Teri Christopher | Production Coordinator |
