Daniel Kaluuya, the star of Jordan Peele’s “Get Out,” has joined the cast of Steve McQueen’s heist movie “Widows,” opposite Viola Davis, Elizabeth Debicki, Michelle Rodriguez, and Cynthia Erivo. McQueen is directing from a script he’s co-writing with “Gone Girl” screenwriter and novelist Gillian Flynn. Emile Sherman and Iain Canning of See-Saw Films, which produced...