Actor Dennis Quaid tells PEOPLE he ultimately agreed to play serial killer Keith Jesperson in 'Happy Face' because the Paramount+ series is "dedicated to the victims" of the Happy Face Killer's murders.

Dennis Quaid plays serial killer Keith Jesperson in the new Paramount+ series Happy Face, which is told from the point-of-view of Jesperson’s daughter, Melissa Moore ( Annaleigh Ashford ). Jesperson is currently serving a life sentence without parole in prison, but he had no involvement in the show, which was based off of Moore’s podcast and book.

Joining Quaid and Ashford were cast members James Wolk, Tamera Tomakili, Khiyla Aynne, Benjamin Mackey, Phillip Ettinger, and Jenn Lyon. The industry event also welcomed the creat