Take Her, She's Mine is a 1963 American comedy film starring James Stewart and Sandra Dee and based on a 1961 Broadway comedy written by the husband-and-wife team of Henry and Phoebe Ephron. The film was directed by Henry Koster with a screenplay written by Nunnally Johnson. It features an early film score by prolific composer Jerry Goldsmith. The character of Mollie, played by Elizabeth Ashley on Broadway and in the film by Dee, was based on the Ephrons' 22-year-old daughter Nora Ephron. The supporting cast features Robert Morley, John McGiver and Bob Denver.

Sandra Dee was an American actress. Dee began her career as a child model, working first in commercials and then film in her teenage years. Best known for her portrayal of ingénues, Dee earned a Golden Globe Award as one of the year's most promising newcomers for her performance in Robert Wise's Until They Sail (1958). She became a teenage star for her performances in Imitation of Life and Gidget, which made her a household name.