Continuity mistake: When Moira tells Sadie that she's going to wash her hair, you can see there is a bar of soap on the wash basin, but when Moira turns on the tap and sand shoots out of it, the soap has disappeared.
Continuity mistake: When June Whitfield picks up her towel and toilet bag when on her way to the bathroom, her toilet bag moves from one hand to the other between shots.
Continuity mistake: Watch the position of Moira during the party scene. First she is with Stuart by the balloon sculpture, but when Pepe arrives with the punch she is having a drink next to the table. And when Pepe says, "Champagne punchings", she is back with Stuart again.
Continuity mistake: When Sid James attempts to open the bedroom balcony door, it appears stiff and difficult to move. But when Peter Butterworth attempts to open the door, it is wobbling and rickety.
Continuity mistake: When we see the British plane in the sky, the first shot shows the plane in a cloudy sky, but in the next shot the sky is clear and the shoreline is visible.