Steve Carell joins HiT March 5, 2009 Carrell to star and produce testosterone comedy “Hi-T”. Steve Carell has signed on to star in the comedy pic “Hi-T”, reports Variety. Scripted by scribe Kim Barker, Hi-T revolves around a man dealing with uncontrollable mood swings after an injury forces him to take testosterone injections. Carrell will produce the film through his production company. Carousel Prods., alongside Vance DeGeneres and Charlie Hartstock. The actor will reportedly next work on the offbeat romantic comedy “Date Night” — in which Carell and Tina Fey star as a couple who get more than they bargained for on their night out.