Adam Williams appears here, and Robert Ellenstein appeared in the previous episode, The Case of the Vagabond Vixen (1957). They appeared together in the Alfred Hitchcock film, North by Northwest (1959). They portrayed the two goons who kidnap Roger Thornhill (Cary Grant).
Paul Drake's sports car is shown when he is at the motel talking to the manager. It is a white Corvette.
This is the first time Paul Drake is seen driving with Perry as his passenger. Both are tall, big men. It was probably a tight squeeze in that two-seater '57 Corvette.
Room rates for the Vista Motel on San Fernando Road are advertised as "$3.50 and up" according to their outdoor sign.