Waltz began modeling while studying at the University of Performing Arts, and appeared in commercials and the televisions sitcom Rules of Engagement.　　Waltz had minor roles in films and television shows such as Femme FatalesSecret Girlfriend, and the films All-Star Weekend and Black Water. She was a contestant in Celebrity Big Brother 13 in 2014 and Celebrity Big Brother 19 in 2017, being evicted on Day 13, in both series. In May 2016 she joined the cast of the series Blade of Honor, as the character H.A.V.I.