Visible crew/equipment: When Bob and Charlie enter the boardroom for the meeting with the suits in the zoo's administration building, the actor's green T-mark is visible on the floor under the table, where Bob stands. (00:33:05)
Visible crew/equipment: When Jason approaches Ginger and Brigitte and suggests they should "get together," you can subtly and briefly see the shadow of the camera on the back of his head. When it cuts to the opposite angle, there's nothing else behind him that could be casting the shadow. (It happens very quick and can be hard to catch).
Visible crew/equipment: Right before he discovers the knife that killed his girlfriend, someone's hand is visibly scaring the crow off the top of the filing cabinet. (00:18:00)
Visible crew/equipment: When Sebastian is stalking his neighbor and looking at her to see if he can see her undress in the beginning, there is a brief moment where you can see the reflection of a camera crew in the window looking into Sebastian's apartment.
Visible crew/equipment: When Yeoman Swain views his hometown through a periscope, you see someone walking along the waterfront. Suddenly this person takes a dive behind a barrier, realizing there's not supposed to be anyone alive. (02:12:00 - 02:13:00)
Visible crew/equipment: In the scene when Claire is walking into the red fishing barn after leaving Silly's house, you can see crew members in the crack of the door on the left side. (00:35:45)
Visible crew/equipment: Just as the SS-33 sets off we see the crew on board say "all ahead two thirds". As they say this the camera moves behind a ladder resulting in a camera shadow on the ladder. (00:20:50)
Visible crew/equipment: In the scene where they are getting ready to leave, it's dark and George Clooney is in the wheelhouse - you can clearly see a face of a crew member in the depth finder.