For the previous three seasons Van Williams had played investigator Ken Madison on the companion series Bourbon Street Beat (1959) and Surfside 6 (1960).
Connie Stevens returns to the show after a two-month, eight-episode suspension.
Cricket sings the 1920 popular song "The Japanese Sandman" written by Richard Whiting and Raymond Egan.
Karen Sharpe and Robert Conrad later worked together on two episodes of the series The Wild Wild West (1965); The Night of the Flaming Ghost (1966), and The Night of the Ready-Made Corpse (1966).