MPAA Rating: NR/Genre: Spy Thriller/Stars: Richard Burton, Claire Bloom, Oskar Werner, Sam Wanamaker, George Voskovec, Rupert Davies, Cyril Cusack, Peter van Eyck, Michael Hordern, Robert Hardy, Bernard Lee, Beatrix Lehmann, Esmond Knight, Tom Stern, Niall MacGinnis, Scott Finch, Anne Blake, George Mikell, Richard Marner, Warren Mitchell, Steve Plytas, Richard Caldicot,…