<P> John Ritter voiced Clifford in all episodes . This was originally done by Brent Titcomb in the 1988 direct - to - video series . Generally speaking , Ritter 's schedule dictated the production of Clifford the Big Red Dog . By the time the last of the 68 half - hour cartoons and the subsequent film Clifford 's Really Big Movie were completed , Ritter was back on ABC 's prime - time schedule , starring in 8 Simple Rules . Ritter 's death on September 11 , 2003 came less than a week before PBS debuted Clifford 's Puppy Days , a show that kept Clifford 's legacy going . </P>
<P> John Ritter voiced Clifford in all episodes . This was originally done by Brent Titcomb in the 1988 direct - to - video series . Generally speaking , Ritter 's schedule dictated the production of Clifford the Big Red Dog . By the time the last of the 68 half - hour cartoons and the subsequent film Clifford 's Really Big Movie were completed , Ritter was back on ABC 's prime - time schedule , starring in 8 Simple Rules . Ritter 's death on September 11 , 2003 came less than a week before PBS debuted Clifford 's Puppy Days , a show that kept Clifford 's legacy going . </P>
who was the voice of clifford the big red dog
who was the voice of clifford the big red dog
John Ritter
John Ritter