Russian Doll is a 2001 Australian romantic comedy film directed by Stavros Kazantzidis and produced by Allanah Zitserman, starring Hugo Weaving, David Wenham and Natalia Novikova[2] Set in and around the Bondi Beach area of Sydney, Australia, the film follows Harvey, a neurotic private investigator and wannabe crime writer, who gets asked to marry his best friend's mistress.

Harvey, a self-doubting private investigator, plans to marry his girlfriend until he is hired to solve an adultery case and discovers the adulterer is cheating with his fiancée.

But soon this "marriage of convenience" is anything but, as Miriam learns about the upcoming nuptials and is so pleased that her husband's best friend has finally found someone, she insists on turning the wedding into a grand affair.

David Stratton said of the film, "Writer/Director Stavros Kazantzidis and co-writer Allanah Zitserman, have come up with an engaging latter-day screwball comedy with Russian Doll, which is traditionally plotted, but beautiful acted.

The basic idea, take a couple who dislike each-other and throw them together until they inevitably they fall in love is far from new, but it comes up fresh here thanks to the brisk playing, strong cast and delightful surprises, like the appearance of Sacha Horler as a clingy Russian friend of Katia, who latches on to the unwilling Harvey.