Misc: Which actor played 'Marcus Welby, MD'?

Questions

steve martin's cyrano was in love with this woman whose name was also the movie title. name her?

"clang clang clang goes --- -------"?

sylvia miles had the shortest performance ever nominated for an oscar with "midnight cowboy." how long did her role last?

1991: he said "i'll be back"... and he meant it!?

1997: off the record, on the qt, and very hush-hush?