Visible crew/equipment: When the cannibals are sitting in the kitchen boiling flesh and eating it, you can see a crew member walking by in the background.
Visible crew/equipment: When Jack arrives with the shopping, a crew member in shorts is reflected on the glass. Clearly not Max.
Visible crew/equipment: As Max opens the bathroom door on the plane, a reflection of the crew is visible in the door. (00:50:10)