Raymond Bailey, who would go on to play Milburn Drysdale on The Beverly Hillbillies (1962), does not wear a toupee, as he did in that series, for his role as D.X. Beaumont.
Writer Dick Wesson and actor Raymond Bailey would be reunited after this series ended at the end of the 1960-61 season when they began working together on The Beverly Hillbillies (1962) nearly two seasons later.