Every Word Is True: According to Variety, Gwyneth Paltrow will portray Peggy Lee in Warner Independent Pictures' Truman Capote biopic Every Word Is True, joining a cast that includes Mark Wahlberg, Sandra Bullock and Toby Jones.

Sigourney Weaver also has joined the production, portraying one of Capote's socialite confidantes.

Production is slated to begin Jan. 1st.

Wahlberg will portray "In Cold Blood" killer Perry Smith, with Bullock as Harper Lee, the "To Kill a Mockingbird" author who was Capote childhood friend. U.K. thesp Jones will star as Capote.

The picture is written and will be directed by Doug McGrath for Christine Vachon's Killer Films. John Wells is executive producer.

McGrath adapted his script from George Plimpton's 1997 oral biography "Truman Capote: In Which Various Friends, Enemies, Acquaintances and Detractors Recall His Turbulent Career."

Pic focuses on Capote's relationship with convicted murderers Dick Hickock and Smith while the pair awaited execution on death row.