Emma Thompson joins Men in Black 3 October 1, 2010 Emma Thompson is Woman in Black? Emma Thompson is in talks to star in Men In Black 3, according to sources. The actress is reportedly being lined up to play forthright MIB operative Agent Oh in the film. Will Smith and Tommy Lee Jones are expected to reprise their roles as Agents Jay and Kay with Josh Brolin also playing a younger Kay. Filming on the Barry Sonnenfeld picture begins later this month.