Visible crew/equipment: When Tin-Tin responds to news of Scott's disappearance, a floor puppeteer's hand (with dirty fingernails) can be seen at the bottom of the screen lifting Tin-Tin from her seat.
Visible crew/equipment: The shadow of the camera is visible as Captain Brent walks the Seaview's corridor.
Visible crew/equipment: When Phones is unravelling the secret plans, a hand can be seen pulling him back to help unravel the plans.