In "Happy Face," actor Dennis Quaid plays serial killer Keith Jesperson, who is serving multiple life sentences at the Oregon State Penitentiary.

Paramount+'s new series "Happy Face" follows the notorious serial killer and his daughter, Melissa, as she confronts his ...

As of 2025, Keith, dubbed the "Happy Face Killer" for his signature smiley face in letters written ... In 2025, Paramount ...

signing letters to the media with a smiley face. This, in turn, led him to be dubbed the "Happy Face Killer," a label that proved convenient in true crime circles, where names like "The Golden ...

Jesperson, whose preferred method of killing was strangulation, became known as the Happy Face Killer because he drew smiley faces on sick letters he sent to media outlets and authorities.

Dennis Quaid and Annaleigh Ashford star in Paramount+ true crime series "Happy Face." See who else is in the cast and who they play.