Foo Fighters' DAVE GROHL (and wife) have walk-ons in ''Pusher'' (episode 65). Anderson extended the invite after introducing the band at a show.

In ''Musings of a Cigarette Smoking Man'' (79), Walden Roth -- the magazine publisher who buys Cancer Man's Jack Colquitt novel -- was named for DANA WALDEN, head of drama at Twentieth Century Fox Television, and Fox network head PETER ROTH.

Lone Gunman Frohike is played by TOM BRAIDWOOD, X-Files first A.D.

The Stupendous Yappi -- of ''Clyde Bruckman's Final Repose'' (52) -- is played by JAAP BROEKER, Duchovny's stand-in.


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