Jonathan Southworth "John" Ritter (September 17, 1948 - September 11, 2003) was an American television and movie actor and comedian. He was featured in the 1970s television series The Waltons. He performed in several situation comedies on the television, including Three's Company. He also appeared in It.
Ritter was born in Burbank, California, where he died on September 11, 2003 of aortic dissection caused by heart disease, six days before his 55th birthday. He also did the voice for Clifford the Big Red Dog.
Ritter was first married actress Nancy Morgan, from 1977 to 1996. Together they have three children, Two sons, Jason and Tyler who are also actors, and a daughter Carly.
After divorced from Morgon, he later married actress Amy Yasbeck on September 18, 1999, at the Murphy Theatre in Wilmington, Ohio. Their daughter was born on September 11, 1998, one year before their marriage.
Ritter's parents were Tex Ritter and Dorothy Fay.