Visible crew/equipment: Both times Melvin shows up and talks with Burt, we see the camera equipment reflected in his SUV's side.
Visible crew/equipment: When Lou looks up at the bone floating down, you can see the camera crew including the mic boom reflected in his eyes. (00:13:30)
Visible crew/equipment: As Steve Martin is rounding a corner to enter a bathroom, you can see a cameraman in the mirror on the far left side of the screen. (00:11:35)
Visible crew/equipment: During the scene when Bridget and Cleaver are talking about Lara in his office you can see the film crew moving about in the reflection of the glass walls (and presumably the director sitting in a chair). This cannot be office workers as his office is raised from ground level. (00:45:05)