Continuity mistake: When Dr. Ross meets her boss at the cart, as they walk towards the large building, the sunlight on the building changes between shots. (00:06:10)
Continuity mistake: When Dr. Elliot hugs Amy, after she finsihes painting, the position of Amy's head on his shoulder keeps changing between shots. (00:11:55)
Continuity mistake: As the group enters Zinj, a black man leads. As he walks through a cave, he is holding nothing. In the next shot he has a machete and gun. (01:05:50)
Continuity mistake: When Homolka is telling Dr. Elliot about not being able to afford the plane fuel, the buckle on his bag strap moves between shots. (00:17:35)
Continuity mistake: When the group leaves the African airport in the truck, the hole in the truck roof is closed, then open in one interior shot, then closed again. (00:25:30)
Continuity mistake: When the plane is hit by missiles, Munro gives Amy a drugged banana to sedate her. Between shots the length of the banana changes. (00:36:50)
Continuity mistake: When Charles Travis picks up the eyeball as he sits on the steps of Zinj, he changes from holding it in his fingers/on his palm. (00:06:50)
Continuity mistake: When the group arrive at the plane, the ground around it differs from wet to dry and the shadows around it also change a few times. (00:33:00)
Continuity mistake: Nearer the end, sometime during the catastrophe in the mines, Dr. Elliot gains a large bruise on his forehead. This has later completely vanished.
Continuity mistake: When everyone is at the second plane, Munro opens a box which is completely in sunlight. In the next shot it's covered in shadow. (00:34:00)
Continuity mistake: When the boss says to Dr. Ross "So Where is He!?" [about Charles], his hands go from by his side, to on his golf club between shots. (00:07:00)
Continuity mistake: Near the beginning the huge headquarters for the corporation that Dr. Ross works for is shown located in Houston. In shots you can see mountains, but the problem is that there aren't any mountains in Houston.
Revealing mistake: When everyone jumps from the plane, all of the stunt doubles are easily seen - [Dr. Elliot's stunt double is ridiculously easy to spot!] (00:37:00)
Continuity mistake: After the Travicom boss smashes the TV screen, the right side of the screen is on fire. In the next shot the left side is now the side alight. (00:08:10)
Continuity mistake: When the first missile hits the plane, Richard holds onto and comforts Amy twice between shots, as the plane begins to rock violently. (00:36:40)
Continuity mistake: When Dr. Elliot is faced with the Silverback gorilla, the size of the sweat stain around his collar and shirt changes throughout the scene. (01:02:30)
Character mistake: When the group is escaping from the killer gorillas, they find a cave and Ross say "It's a geode, a giant diamond." A geode is not a diamond at all, it's basically a hollow rock with crystal formations inside.
Continuity mistake: When Dr. Elliot and the group arrive at the plane, the plane changes position between shots, in relation to the trucks surrounding it. (00:33:00)
Continuity mistake: When Dr. Elliot is doing his presentation, there is a large TV on a stand, with a VCR, which suddenly vanishes halfway through. (00:11:10)
Continuity mistake: When Homolka stands by the plane, while Munro talks to him, Homolka's arm moves from being in view, to suddenly hidden behind the door. (00:34:45)
