Other mistake: When Sir Anthony Hopkins (playing Johnny McLeod) is awaiting the arrival of the suspected bomber O'Neill (played by Cyril Cusack), a funny mistake occurs. Cusack sees Hopkins, smiles and greets him with a cheerful "Hello, Tony!" instead of "Hello, Johnny!" Being a pro, Hopkins doesn't blink an eye!
Other mistake: Fallon and Charlie tackle one of the bombs each, and Charlie is supposed to be duplicating the steps that Fallon takes. However, the first screw that Charlie loosens on the cover plate isn't the same one that Fallon first loosens.