Jeanne Tripplehorn (HBO's "Big Love") has been cast as Jackie Kennedy Onassis in "Grey Gardens" reports Reuters.

Jessica Lange and Drew Barrymore already have been cast as "Big Edie" and "Little Edie," the respective aunt and cousin of Onassis, who made headlines when the health department threatened to raid their flea- and raccoon-infested 28-room East Hampton, N.Y., mansion.

Daniel Baldwin, who plays Julius Krug, the former secretary of the interior and secret true love of Little Edie; Ken Howard ("Cane") as Big Edie's husband; Malcolm Gets ("Caroline in the City") as Big Edie's accompanist; and Arye Gross ("The Practice") as filmmaker Albert Maysles.

Michael Sucsy is directing the HBO Films project is now shooting in Toronto.