A Huge Actor Has A Surprise Cameo In 'Interstellar'

Warning: Huge spoilers for "Interstellar" follow. Director Christopher Nolan's films are known for being shroud in secrecy. You usually know very little about the plot even after the first trailers are revealed and sometimes a few big names pop up in unexpected roles.  So it should come as little shock that a huge actor makes a surprise appearance in "Interstellar." In fact, he's been hiding in the trailers and no one has even realized it. Last chance to head back before spoilers. Around the t...