Miller's first job in Hollywood was as an intern in Broadcast Standards at ABC,[1] a network that she would return to as writer and executive producer on the crime-dramedy television series Castle.
In seven seasons on the show, Miller wrote 12 episodes, including “Vampire Weekend,” “Poof, You’re Dead,” “Always,” “Cuffed,” "The Time of Our Lives," "The Wrong Stuff," and "Hollander's Woods.” [2] During the run of the series, Miller also handled several new-media promotions surrounding the show including live-tweeting episodes and managing the Twitter account for the show's eponymous crime writer, Richard Castle.
[3][1] Miller won a Screenwriting Award in 2004 at the Nantucket Film Festival for her Short Film DysEnchanted, which starred Alexis Bledel, James Belushi, Laura Kightlinger, and Sarah Wynter and was also a hit at the 2004 Sundance Festival.
[6] In 2016, it was announced that they would partner with Tandem Productions for Take Two, a crime procedural about an LA private investigator and an actress working together to solve cases.
Previously in 2014, it was announced that Miller would executive produce a television series centered on Castle character Derrick Storm alongside Marlowe with writer Gregory Poirier.