The "Leo the Lizard" costume that Hannibal wears is actually a Sleestak costume from the series "Land Of The Lost."
George Olsen's real name is George Banner. Christine De Lisle, who played Ginger the waitress at the beginning, also starred in The Incredible Hulk episode "Equinox", where the main character, who also has to hide his real name, is also called 'Banner'.
Dana Elcar plays a man whose daughter has been kidnapped to prevent him from testifying in court against a mob figure. At the beginning of the next season in Judgement Day: Part 1 (1985), he plays a judge whose daughter is kidnapped to make sure a mob figure isn't convicted. In addition, Hannibal parachutes in both episodes.