Novak, 77, is best known for her work in the classic films "Pal Joey," "Bell, Book and Candle" and "Vertigo," as well as the TV's "Falcon Crest." She is now retired from acting and lives in Oregon.
"It was caught early by a routine yearly mammogram and (she) is undergoing treatment. All her doctors say she is in fantastic physical shape and should recover very well," Novak's manager, Sue Cameron, told The Hollywood Reporter.
Swim Week Miami Beach 2014 [PHOTOS]