"Red" West, who plays Arian, was a bodyguard in real life, best known for being a member of Elvis Presley's Memphis Mafia, a group of lifelong friends often found by Elvis' side, many of whom remained in his employ right up to his 1977 death at 42.
Last series appearance of Joe Mantell as Albie Loos.
At about the 15 minute mark, Mannix asks Peggy to get a list of "Black '68 VIPs" with a certain range of plate numbers, and a couple of scenes latter she returns with a list of only 4 in the state of California. This was fitting, as the Plymouth Fury VIP, the most luxurious car Plymouth sold at the time, was a notorious slow seller with only about 10,000 4 door hardtops made.