David Russell Leisure is an American actor best known for his role as Charley Dietz in the sitcom Empty Nest from 1988 to 1995 and fictional 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... with Children, ALF, 227, T. J. Hooker, The Equalizer, Falcon Crest, Sledge Hammer!, and Nurses.
Leisure was born in San Diego and attended Grossmont High School in El Cajon, California. He went on to attend Grossmont College also in El Cajon and then to San Diego State University.
Among his smaller roles, Leisure appeared as the "First Krishna" in the 1980 film Airplane!. He voiced The Castle in Fox's 1992 Halloween special Count DeClues' Mystery Castle. In 1999, he made a brief but memorable appearance in 10 Things I Hate About You as a high school soccer coach and detention monitor.