Visible crew/equipment: As the Baroness is falling into the lake, there is a shot of her about 10m above it. The surface water looks like it is being blown by a helicopter. As soon as she is in the water, the lake is calm again.
Visible crew/equipment: As he shows them the kitchen the building manager says, "I'd be grateful to go that way myself when the time comes". As he turns around to leave the kitchen you can see the shadow of the camera on his jacket. (00:03:55)
Visible crew/equipment: When Barbarella is in her anti-gravity state during the credits, in a closeup of her removing her gloves, you can see reflections of her hands and the gloves in a plexiglass screen under her, which was to give the illusion that she was floating in the air. (00:00:50)