Teddy Wilson also appeared in Pool Hall Blues - September 4, 1954 (1990). He unfortunately passed away just 7 months after this episode aired.
Mark Boone Junior, who appears in the episode as a member of a biker gang, would later go on to play Bobby Elvis, part of the Sons of Anarchy Motorcycle Club in Sons of Anarchy (2008).
The final scene depicts Sam leaping into FBI Agent Peter Langley from Her Charm - September 26, 1973 (1990).
Al tells Sam that he met writer Jack Kerouac while he was a cadet at a lecture he gave at St. John's College in Annapolis in 1958. Part of St. John's is on King George Street. The Naval Academy is right across the street from the College and is behind a long brick wall. The College was founded in 1696; 325 years ago as King William's School.