Chris Hemsworth and Elsa Pataky. Ernesto Ruscio/Getty Chris Hemsworth’s wife, Elsa Pataky, makes a surprise cameo in Furiosa: A Mad Max Saga, playing not one but two characters. Hemsworth, 40, leads the dystopian action film alongside Anya Taylor-Joy, while Pataky, an actor in her own right, surfaces in two radically different roles. In the first,…