In addition to her role on 7th Heaven, Rosman appeared in the independent film Gideon, starring Christopher Lambert, Charlton Heston and Shelley Winters.
Rosman played the role of Loreli in the 2009 film The Tomb, loosely based on "Ligeia" by Edgar Allan Poe, alongside Wes Bentley and Kaitlin Doubleday.
[2] In April 2024, it was announced that Rosman would co-host along with her former co-stars, Beverley Mitchell and David Gallagher, a 7th Heaven rewatch podcast named, Catching up with the Camdens!
Mackenzie's stepsister, Katelyn Salmont, lived with cystic fibrosis and underwent a successful double lung transplant in late 2005, her father Randy donating one organ.
[6] Rosman is also the national honorary chairman for CureFinders, a school fundraising program to help fund the search for a cure for cystic fibrosis.