Men in Black 3 Casting & Speculation

MENinBLACK_CardAccording to Pajiba.com, Amblin’ Entertainment’s MEN IN BLACK III has cast Josh Brolin (JONAH HEX)  as a young version of Tommy Lee Jones’ Agent Kay in the time-traveling sequel.
Will Smith and Jones are set to return in their roles in the Sci-Fi comedy, with Emma Thompson said to be playing their new, modern day boss. The site claims Alec Baldwin (THE SHADOW) is in talks to portray the Agency’s head in 1969.
Jermain Clement (FLIGHT OF THE CONCHORDS) is reportedly playing a character named Boris.
The article says Gemma Arterton (CLASH OF THE TITANS) is in negotiations to play a secretary in `69, and  Sharlto Copley (DISTRICT 9) to enact a fast-taking alien.
Barry Sonnenfeld (THE ADDAMS FAMILY) returns as director, with a script by Etan Cohen (TROPIC THUNDER). Shooting is set to begin this November, with a May 25th, 2012 release planned by Columbia Pictures.  
The MEN IN BLACK series is based on the comic book created by Lowell Cunninghan.