In today's casting news, Parker Posey (The House of Yes) and Milo Ventimiglia (Heroes) are poised to join director Olivier Dahan's Grace of Monaco.  The biopic, which stars Nicole Kidman as Grace Kelly, centers on the Hollywood star's involvement with Monaco's Prince Rainier III during his financial difficulties under taxation from France's Charles De Gaulle.

We also have word that Kate Bosworth (Superman Returns) has joined Jason Statham and James Franco in Gary Fledler's Homefront. The adaptation of the Chuck Logan book centers on ex-DEA agent Phil Broker (Statham) who moves his family to a small town in hopes of a quieter life.  Instead, he runs afoul of a meth-pushing kingpin by the name of Gator (Franco).  Hit the jump for more details on these latest casting assignments.

First up from Variety comes word that Posey will star in Grace of Monaco as Madge Tivey-Faucon, Kelly's scheming lady-in-waiting.  The article also mentions that Ventimiglia is in negotiations to play Kelly's publicist Rupert Allan, who served as consul general for the principality of Monaco and was made a Chevalier of the Order of Grimaldi in honor of his service by Rainier III in 1989.  Grace of Monaco also stars Tim Roth as Rainier, Frank Langella as a helpful priest and Paz Vega as renowned opera singer Maria Callas.  Filming is set to begin in France before moving to Belgium.

Heat Vision reports that Bosworth is set to join Homefront as Gator's meth-addicted sister (did not see that one coming).  The Sylvester Stallone script has her character inciting a feud between Gator and Broker when her son, a school bully, gets his ass handed to him by Broker's daughter at school.  In her meth-induced fury, she turns to Gator for retribution.  (Editor's note: I'm a big fan of Bosworth and it will do irreversible damage to my psyche if I have to witness her with meth teeth.)  Homefront also stars Winona Ryder and Frank Grillo.