Shortly after this episode aired, Connie Stevens was cast as a regular in another Warner Bros. detective series, Hawaiian Eye (1959); and she and Edd Byrnes recorded the hit record "Kookie, Kookie, Lend Me You Comb." It reached #4 on the Billboard pop singles chart.
The staircase seen about 17 minutes into the story is the same staircase used in The Fifth Stair (1959).