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: When Jack Douglas is speaking to Sid James in the pub, there are two plates of bread rolls next to him, but in the shot when he puts his elbow in one of the rolls, the rolls on the second plate have changed position and a tomato ketchup squeezer has suddenly appeared.
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 Pepe runs into the hotel after seeing the coach approaching, there is no table or chairs beside the doors. But when he comes out to greet the guests, a table and chair have appeared.
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.