Ed Harris has joined the cast of Summit Entertainment’s Asger Leth-directed thriller Man On A Ledge. Titus Welliver, who’s pulling double duty as an Irish arms dealer on Sons of Anarchy and also on The Good Wife, has also joined the cast that now includes Sam Worthington, Elizabeth Banks, Jamie Bell and Anthony Mackie. Harris, who appears in two Oscar season films: Peter Weir’s The Way Back and Touching Home, plays a powerful businessman who is integral to the plot of a disgraced ex-cop who threatens to jump off the ledge of a building, while his brother pulls a heist nearby. Welliver plays a touch Bronx detective in charge of the crime scene.