David became the executive producer of Murder, She Wrote for its eighth season in 1991. However, he was replaced for the ninth season, since it was the only way Angela Lansbury would renew her contract with the show.
In addition to his multitude of television credits, he was the screenwriter for three movies: Daddy-o, from 1959, which was about a reluctant getaway driver for a robbery; Caper of the Golden Bulls in 1967, a suspense movie about a retired bank robber blackmailed into one last heist; and Number One, a 1969 film about an injured quarterback, played by Charlton Heston, struggling with his forced retirement.
He was nominated for two Emmy Awards.
Before he started on his long television career, he served as an officer in the United States Marine Corps. This is where he first learned how to use a camera.
He retired from his television career in the late 90s.
He was inducted into the DePauw Media Wall of Fame in October 2005. He graduated from DePauw in 1952 with a Bachelor of Arts degree.
He is currently married to Jeri Taylor, who is well involved in the TV industry herself.
He is the father of actress Amy Elizabeth Moessinger, who had guest roles in shows like Murder, She Wrote and Quincy, ME.