Goofs

In the last scene, a trimaran in the background disappears and reappears several times.

When Wally scares Lori's attacker through the window, he is shown wearing sunglasses. After Lori suggests they leave, however, he is seen in the next shot without the sunglasses.

The German map shown at the presentation is completely wrong. Frankfurt is found roughly in the Munich area and so forth.

Dr. Ludmila Kropotkin's name is nonsense in Russian. According to grammatical rules, Kropotkin is supposed to be a male whereas Ludmila is a female name.

When Wally points the revolver at Lori, you can see light through the chambers in the cylinder, indicating that there are no rounds - live or otherwise - in the gun.

When Lori checks her gun, it can clearly be seen that the cartridges visible have been fired.

When Wally first points the revolver at Lori, you hear a sound as though he is cocking the hammer, but the revolver he is holding is a hammer-less model. There is no hammer to cock and make this sound.

When Wally is on the ledge at the Plaza, he yells down to Jimmy several times. Several of the times he yells, his mouth actually isn't moving.

At Jimmy's dinner party, when Lori slaps Wally's face, the sound of the slap happens before her hand hits his face.

At 53:08 into the film, the shadow of the microphone can be seen on the actor's forehead.