Seth Rudetsky, a comedian and former writer for Rosie O'Donnell's TV show, will host Cabaret star Joely Fisher on his cabaret show, "Seth's Broadway Chatterbox," on July 6 at 6 PM.

Playing in Cabaret through July 23, Fisher debuted on Broadway playing Rizzo in Grease!. She won a Golden Globe for her work as the character Paige Clark in "Ellen," and has appeared in such films as "Inspector Gadget," "The Mask," "I'll Do Anything" and "Mixed Nuts."

Rudetsky's show, which is described in production notes as being a combination of "Michael Douglas, Dr. Seuss and Pee Wee Herman," plays every Thursday.

There is a $10 cover charge at Don't Tell Mama which includes a two-drink minimum. Proceeds benefit Broadway Cares/Equity Fights AIDS. Don't Tell Mama, is located at 343 West 46 St. For information on "Seth's Broadway Chatterbox" call (212) 757-0788 or visit www.geocities.com/broadwaychatterbox.

-- By Murdoch McBride