Del Blaine's dress during Banning's party and the climatic scene in the lab changes back and forth between one with multiple ties in the back and a stunt dress (with one large tie in the back) when there is more action.
During the group fight scene in the lab, Jimmy Tong loses the glass holding the queen water strider, but it appears in his hand in a later shot.
In the 'taxidermy' store where he buys the beetle, Clark is asking out a young black woman with green eyes, but in several shots, her contact lenses are missing, and her real eyes are black.
When Del and Steena are in the firing range, Steena is using a Colt CAR-4 (with .223 ammo). Moments later she puts down an MP5K.
When Jimmy is being tested, he drives through the alley and through the raised gate. He then drives through the area where there are tons of chicken feathers all over the place. After driving through is covered in feathers, and the grill is choked with feathers. However, when he pulls out of the alley and into the street behind the truck, the feathers are gone.
Most of the stated "facts" about water striders are incorrect. Del was stalling for time by giving the wrong "facts".
In the fight scene on top of the tower at the docks, there is one brief shot in which Del Blaine is standing at the railing with her back to the camera while Jimmy fights behind her with a rope round his neck. During this shot, it can clearly be seen that the background is actually a plain black studio curtain rather than the night sky.
When Del and Steena are on the range they are wearing the same model of shooting glasses, Oakley M frames with Strike lenses. Del's glasses have the nose piece (the padded part of the glasses support, where they rest on the bridge of the nose) in place, but Steena's do not. The glasses can't be worn without the nose piece, they'll cut into the wearer's nose.
When Jimmy Tong in the beginning of the movie is ready the dummy's guide book in the cab it actually is German for dummies and not what the actual title says.
When Del Blaine is fighting the guy on the top of the building after seeing Jimmy is being attacked as she swivels to kick his feet but you can clearly see him jump up a second or two before she gets near his feet.
The character Del Blaine says " '92 Dasani" but the bottled water brand Dasani wasn't launched by the Coca-Cola company until 1999.
The cable pulling Jimmy up the silo is visible.
When Del and James find the entrance to the lab, a crew member can be seen behind the fence.
Stunt Driver and Stunt Passenger are obviously seen when the skateboard chases the car, directly after the car swerves around a white van.
Toronto Transit Commission (TTC) Streetcar is visible and Parking Permit Machines quite visible.
Distinctive red Canadian mailbox.
(1:23:45) The climactic raid is pulled off by agents of CSA: Canadian Space Agency. The film is supposed to be set in the United States.
When Jimmy is under the cab hiding from the man who is jumping on it, the boom mic is briefly visible to his right.