<P> Jeannie's evil fraternal twin sister, mentioned in a second - season episode (also named Jeannie and also portrayed by Barbara Eden in a brunette wig), proves to have a mean streak starting in the third season (demonstrated in her initial appearance in "Jeannie or the Tiger?" (September 19, 1967)), repeatedly trying to steal Tony for herself, with her as the real "master". Her final attempt in the series comes right after Tony and Jeannie get married, with a ploy involving a man played by Barbara Eden's real - life husband at the time, Michael Ansara (in a kind of in - joke, while Jeannie's sister pretends to be attracted to him, she privately scoffs at him). The evil sister, whose name is never revealed, wears a green costume, with a skirt rather than pantaloons . </P> <P> Early in the fifth season (September 30, 1969), Jeannie is called upon by her Uncle Sully (Jackie Coogan) to become queen of their family's native country, Basenji . Tony inadvertently gives grave offense to Basenji national pride in their feud with neighboring Kasja . To regain favor, Tony is required by Sully to marry Jeannie and avenge Basenji's honor, by killing the ambassador from Kasja when he visits NASA . After Sully puts Tony through an ordeal of nearly killing the ambassador, Tony responds in a fit of anger that he is fed up with Sully and his cohorts and he would not marry Jeannie if she were "the last genie on earth". Hearing this, Jeannie bitterly leaves Tony and returns to Basenji . With Jeannie gone, Tony realizes how deeply he loves her . That outweighs all concerns he has had about Jeannie's threat to his career . He flies to Basenji to win Jeannie back . Upon their return to NASA, Tony introduces Jeannie as his fiancée, in which she attires herself as a modern American woman in public and it is easily accepted Tony found a girlfriend . This changed the show's premise in that instead of the avoidance of Jeannie's exposure, it was to hide her magical abilities . This is contrary to the mythology created by Sidney Sheldon's own season - two script for "The Birds and Bees Bit", in which it was claimed that, upon marriage, a genie loses all of her magical powers . </P> <Ul> <Li> Barbara Eden as Jeannie </Li> <Li> Larry Hagman as Captain / Major Anthony "Tony" Nelson </Li> <Li> Bill Daily as Captain / Major Roger Healey </Li> <Li> Hayden Rorke as Dr. Alfred Bellows </Li> </Ul> <Li> Barbara Eden as Jeannie </Li>

Who played genie in i dream of jeannie