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Quotes
Plenty: Hi, my name's Plenty.
James Bond: Of course it is.
Plenty: Plenty O'Toole.
James Bond: Named after your father, no doubt.
Mistakes
When Bond is inside the oil rig, the shots switch from the satellite control room to the satellite itself orbiting. When the satellite fires at the underground missile, it's orbit direction reverses. Then, when it fires at the Russian sub and the Chinese military base, it stops before it fires. This is impossible, as Newtons 3rd law states that for every action there is an equal and opposite reaction. For the satellite to reverse or stop, boosters would be needed at the front of the satellite (of which there aren't any) to counter it's speed. And even if they were there, the direction change and stop wouldn't be as sharp as the movie shows. See more...
Diamonds are Forever (1971) - 12 trivia entries
Directed by Guy Hamilton, starring Bernard Lee, Charles Gray, Desmond Llewelyn, Jill St. John, Lana Wood, Lois Maxwell, Sean Connery (add more)