The actorhas died at the age of 86.William Morgan Sheppard appeared in the 2011 Eleventh Doctor storyplaying the older version of ex-FBI agent Canton Everett Delaware III, who accompanied the Eleventh Doctor during the latter's visit to the United States of America in 1969. The younger version of the character was played by his sonWilliam Morgan Sheppard was born in London and trained at the. He spent 12 years as an associate artist with theSheppard has a strong connection with Science fiction, appearing in bothandas well as the filmsand the 2009 rebootHe appeared in two roles in. His best known role was probably Blank Reg in the comedy. In the filmsandhe played the Confederate general Isaac Trimble.As well as Doctor Who he appeared alongside his son in the television seriesWilliam Morgan Sheppard died on Sunday in Los Angeles, California. He is survived by his wife and children.