Bob Dishy, who played Sergeant Norris, also played a police sergeant in two Columbo (1971) episodes: Sergeant Frederic Wilson in The Greenhouse Jungle (1972) and Sgt. John J. Wilson in Now You See Him (1976).
Robert Culp also guest starred four times in Columbo.
"Death Lends a Hand" (1971), "The Most Crucial Game" (1972), "Double Exposure" (1973) and "Columbo Goes to College" (1990).
At 2:16 Mrs. Columbo is driving a grey Peugeot convertible much like the one driven by her husband.
At 33:17 Sargent Norris picks the lock and enters a home without a proper search warrant.