At one point, Golda (Phyllis Diller) tells Henry (Bob Hope), "Boy, did you get a wrong number!" In 1966 Diller and Hope appeared in Quel numéro ce faux numéro! (1966).
The knight on horseback that appears during the climactic chase was a reference to a then-popular series of commercials for Ajax Laundry Detergent. And Jasper's line, "Please, Mother, I'd rather do it myself!" refers to a series of ads for Anacin pain reliever.
Hope's girlfriend in the film (Shirley Eaton) was 33 years (7 months and 14 days) younger than him (Hope was born May 29, 1903, Eaton January 12, 1937).
Features a previous (Shirley Eaton) and future (Jill St. John) Bond Girls.