ODD couple alert! “Arrested Development” star David Cross, 43, arrived at the after-party for Morgan Spurlock‘s new documentary, “Where in the World Is Osama bin Laden?,” at Pink Elephant Tuesday night with “Joan of Arcadia” star Amber Tamblyn, 24. The two “were definitely together, making out and barely came up for air the whole night,” our spy said. At least they made it in the door. Security was tight after Spurlock received threats and hate mail over his new movie. [Review / Page 56]