The company that Ricky hacks into, "Trans-Allied" is the name of the company that Philip Drummond owns on Diffrent Strokes. Indeed, Arnold Jackson makes an appearance.
Orson Welles, a friend of character-actor Peter Jason, needed Peter for a magic show, and Peter told him he was on set, about to be filmed. Welles asked to talk to the director. So Welles talked to Jack Shea, who was thrilled to be on the phone with legendary director Orson Welles. Shea told Peter, "Go, Orson needs you... We'll shoot around you and film you later." Shea also asked Peter to get him a cigar from Welles for the favor.