Plot: Tom, Dick and Harriet is a British sitcom that aired for two seasons from 1982 to 1983. It was created by the sitcom writing team of Johnnie Mortimer and Brian Cooke, and it starred veteran actor Lionel Jeffries in one of his very few television roles, only seven months after his previous TV sitcom role in Father Charlie, Ian Ogilvy, and Brigit Forsyth