While older brother and early 1980s heartthrob Matt Dillon received the lion’s share of the fan mail and the meaty leading roles throughout both their careers, his lesser known doppelganger sibling Kevin Dillon detoured toward character parts, with ingratiating performances in a wide variety of films and television projects. His New York accent and flinty demeanor assured him of tough guy parts in movies like “Platoon” (1985) and “A Midnight Clear” (1992), but he could play funny too, as “Heaven Help Us” (1985) showed, as well as even sensitive in “Immediate Family (1989). Television offered