Courtney Henggeler has joined the cast of George Clooney’s ‘The Boys In The Boat’. The 43-year-old star has signed on to star alongside Joel Edgerton, Callum Turner, Jack Mulhern, Sam Strike, Luke Slattery, Thomas Elms, Tom Varey, Bruce Herbelin-Earle, Wil Coban and Hadley Robinson in the movie that will be directed by Clooney. The film has been scripted by Mark L. Smith, from a previous draft by Chris Weitz, and is based on Daniel James Brown’s 2013 book of the same name. It tells the remarkable underdog story of the University of Washington men’s rowing team, who stunned the world by winning…