Rockford mentions that Ted Haller works at the 'Upstairs Gallery.' The Upstairs Gallery was an actual art gallery located in Northridge, California.
Dennis mentioned his superior, Captain Highland. Jackie Cooper, this episode's director, had portrayed Highland in first season's "Claire".
In this episode, William Daniels's character (Caine) hires James Garner's character private detective Jim Rockford. In the movie Marlowe (1969), William Daniels's character (Crowell) hires James Garner's character private detective Philip Marlowe.