With a wedding to plan, an engagement party to throw, and an inn full of surprise guests, the road to true love for Olivia and Mick takes a few unexpected twists and turns
Unfortunately the movie Wedding March 4: Something Old, Something New is not yet available on HBO Max.
| Camera | Allister Foster | Still Photographer |
| Production | Vince Balzano | Associate Producer |
| Production | Susie Belzberg Krevoy | Executive Producer |
| Production | Doran S. Chandler | Supervising Producer |
| Production | Peter DeLuise | Executive Producer |
| Production | Jamie Goehring | Producer |
| Production | Eric Jarboe | Executive Producer |
| Production | Amy Krell | Executive Producer |
| Production | Brad Krevoy | Executive Producer |
| Production | Kevin Leslie | Producer |
| Production | Nathaniel Lyman | Associate Producer |
| Production | Linda L. Miller | Executive Producer |
| Production | B.F. Painter | Supervising Producer |
| Production | Amanda Phillips | Executive Producer |
| Production | Michael Shepard | Supervising Producer |
| Production | Jonathan Shore | Supervising Producer |
| Production | Jimmy Townsend | Executive Producer |
| Directing | Kevin Leslie | First Assistant Director |
| Directing | Peter DeLuise | Director |
| Writing | Robin Bernheim Burger | Writer |
| Writing | Richard Manning | Writer |
| Writing | David Golden | Writer |
| Writing | Tracy Andreen | Writer |
