Carry On Spying is a 1964 film, the ninth in the series of Carry On films to be made. It marks Barbara Windsor's first appearance in the series. Series regulars Kenneth Williams, Charles Hawtrey and Jim Dale are present. Bernard Cribbins makes the second of his three Carry On appearances. Eric Barker appears for his third entry. Dilys Laye returns after her debut in Carry On Cruising. Carry On Spying is the last Carry On film shot in black and white.