Oddly unmoving Hitchcock thriller about American scientist pretending
to be defector. Slick but empty film. Some TV prints are cut to 121
minutes, excising violent scenes.
The scene where agent Gromek is killed was written to show
how difficult it really can be to kill a man.
Keith Waterhouse and Willis Hall did extensive (uncredited) rewrites
on the script.
Bernard Herrmann wrote the original score, but Universal executives
convinced Hitch that they needed a more upbeat score. Hitch and Herrmann
had a major disagreement, the score was dropped and they never worked
Hitchcock makes his cameo appearance early in the film sitting in a
hotel lobby with a baby on his knee.