Robert Parrish Director Roy Thinnes Colonel Glenn Ross Actor Ian Hendry John Kane Actor Patrick Wymark Jason Webb Actor Lynn Loring Sharon Ross Actor Loni von Friedl Lisa Hartmann Actor Herbert Lom Doctor Hassler Actor George Sewell Mark Neuman Actor Franco De Rosa Paulo Landi Actor Ed Bishop David Poulson Actor Philip Madoc Dr. Pontini Actor Vladek Sheybal Psychiatrist Actor George Mikell Actor Gerry Anderson Producer Sylvia Anderson Producer