Mackenzie Rosman

In 1996, Rosman was cast in the role of Ruthie Camden on 7th Heaven after personally greeting each person in the room with a handshake during her audition. In addition to her role on 7th Heaven, Rosman appeared in the independent film Gideon, starring Christopher Lambert, Charlton Heston and Shelley Winters. She has appeared in numerous television commercials starting at age four including a Tuff's Diaper commercial and a Nike shoe commercial.

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. She also played Jill in the 2008 horror film, Fading of the Cries.

Rosman appeared in four episodes of Brenda Hampton's teen drama The Secret Life of the American Teenager playing Zoe, a student at Grant High School who sleeps with Ricky Underwood to get back at Adrian Lee for having sex with Zoe's boyfriend Mac. In 2013, she co-starred in the 2013 horror film Beneath, and in the 2013 television film Ghost Shark. Rosman posed for Maxim magazine in September 2013.

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!