From Wikipedia the free encyclopedia David Clennon born May 10 1943 is an American actor perhaps best known for his portrayal of Miles Drentel in the ABC series Thirtysomething a role he reprised on Once and Again Clennon was born in Waukegan Illinois the son of Virginia a homemaker and Cecil Clennon an accountant Clennon is well known for his political activism In 1980 David Clennon provided the voice for Admiral Motti in NPRs Star Wars The Original Radio Drama He was a regular on the TV shows Almost Perfect The Agency and Saved Most recently Clennon played Carl Sessick aka Carl the Watcher on Ghost Whisperer In 1993 he won an Emmy award for his guest appearance on the series Dream On Description above from the Wikipedia article David Clennon licensed under CCBYSA full list of contributors on Wikipedia