- Cast the Expert: Katarina Witt's skating talents are put on display during her cameo.
- Fake Nationality: East German-born Russian Gregor is played by Swedish Stellan Skarsgård, while the IRA commander Seamus is played by the Welsh Jonathan Pryce. The Russians meanwhile, are played by a Czech-born American, a German, and two Frenchmen respectively. Possibly averted with Deirdre; since actress Natascha Mc Elhone, while English, is Irish on her mother's side and was raised in Belfast.
- No Stunt Double: Skipp Sudduth (Larry) is a keen amateur racing/stunt driver in real life, so director John Frankenheimer let him do nearly all of his own driving during the car chases.
- Playing Against Type: Sean Bean, usually called upon to be a major badass whether playing a hero or villain, here instead plays a complete idiot wuss who gets pwned by a coffee cup and has to stop the car to puke from stress after getting shot at.