Zachary Knighton is an American actor best known for his role as Dave Rose on the television series Happy Endings. Born on October 25, 1979, in Victoria, Virginia, he has appeared in various films and TV shows throughout his career, showcasing his versatility in both comedic and dramatic roles. In addition to Happy Endings, Knighton has starred in other notable projects, including the series FlashForward and The Last Resort. He has also lent his voice to animated projects and participated in theater, demonstrating his broad range of acting skills across different mediums.