2011—present: 2 Broke Girls and future projects Kat Dennings with her co-star at the in January 2012 In February 2011, Dennings was cast ina CBS sitcom written and produced by and comedian. Dennings appeared in that year, as Mona, a feminist girl. Kat Dennings starred in the drama film originally titled Renee in 2012, with and. RELATED: 32. Her first acting job was an ad for potato chips. Her other film roles include 20152015and 2017.