Visible crew/equipment: When Nana Oyl is walking around the table and approaching the side board, the cameraman's legs can be seen in the mirror behind her.
Visible crew/equipment: After Olive threatens Wimpy, she goes to enter the Commodore's boat. When the camera is looking up the stairs to see her foot entering the shot, you see shadows playing on the ceiling and stair well. If you watch closely, you can tell that the shadows are of the camera man and the camera.
Answer: One, Bluto is a bully and threatened him, after all his name is Wimpy. Plus he most likely offered to buy him a hamburger, which he would have paid next Tuesday.