Uptight, diminutive, mustachioed, often "veddy" (though faux) British and unfailingly urbane, the Texas-born Hillerman created this classic supporting character for 1970s TV. After making an impression as arrogant 1940s radio show detective Simon Brimmer on the NBC revival of "Ellery Queen" (NBC, 1975-76), he further refined the character as the cold fish boss of Bonnie Franklin during the 1976-77 season of the long-running CBS sitcom "One Day at a Time". (He always addressed Franklin as "M S Romano".) Hillerman fared well trading sarcastic quips with Betty White in the superior but