Gordon Hessler Director Richard Roundtree Richard `'Dick'` Shannon Actor Chuck Connors Kesten Actor Max von Sydow Gorenko Actor Ray Milland Ambassador Actor Broderick Crawford Frank Dunniger Actor Marie-José Nat Laure Actor David Bauer Kadish Actor Larry Cross Gamble Actor David Healy Phelan Actor Karl Held Rylands Actor Sarah Marshall Miss Harding Actor Dee Pollak Stacey Actor Afif Boulos Foreign Minister Actor Leila Buheiry Leila Actor Gail Clymer Switchboard Operator Actor Edmond Rannania First Man in Black Actor Mel Ferrer Producer