In the year 1996, Rosman was cast in the part of Ruthie Camden in 7th Heaven after personally greeting every person present with a kiss when she auditioned. As well as her character on 7th Heaven, Rosman appeared in the independent film Gideon which starred Christopher Lambert, Charlton Heston and Shelley Winters. From the age of four, the actress has appeared appearing in numerous television commercials, including one for Tuff Diaper and an Nike Shoe commercial. Rosman was the character Loreli in the 2009 film The Tomb, loosely based on "Ligeia" by Edgar Allan Poe, alongside Wes Bentley and Kaitlin Doubleday. Rosman played Jill, a character in the film of horror Fading of the Cries (2008). Rosman appeared as Zoe in Brenda Hampton's The Secret Life of the American Teenager In the film, she appeared as an Grant High School girl who did not want to be with Ricky after Adrian had sexual relations with Zoe's boyfriend Mac. Rosman was a co-star in the 2013 horror film Beneath and also in the 2013 film on television Ghost Shark. Rosman appeared in a photo shoot by Maxim Magazine in September 2013.