<P> Mary Frann ( born Mary Frances Luecke , February 27 , 1943 -- September 23 , 1998 ) was an American stage , film and television actress . Frann is best known for her role as Bob Newhart 's wife , Joanna Loudon , on the CBS sitcom Newhart , which aired from 1982 to 1990 . </P>
<P> Mary Frann ( born Mary Frances Luecke , February 27 , 1943 -- September 23 , 1998 ) was an American stage , film and television actress . Frann is best known for her role as Bob Newhart 's wife , Joanna Loudon , on the CBS sitcom Newhart , which aired from 1982 to 1990 . </P>
who played joanna on the bob newhart show
who played joanna on the bob newhart show
Mary Frann
Mary Frann