David Russell Leisure (born November 16, 1950) is an American actor best known for his role as Charley Dietz in the sitcom Empty Nest from 1988 to 1995 and fictional (and "lying") automotive "pitch man" Joe Isuzu in a series of North American television commercials for Isuzu from 1986 to 1990, and again from 1999 to 2001.Additional television credits include Sabrina, the Teenage Witch, One on One, V.I.P., Diagnosis: Murder, The Parent 'Hood, Honey, I Shrunk the Kids: The TV Show, For Your Love, Caroline in the City, The Wayans Bros., Touched by an Angel, Lois & Clark: The New Adventures of Superman, Renegade, The Golden Girls, Married...