The Rockford Files Dougherty was a blind highly independent psychiatrist, who makes three appearances in the fifth and sixth seasons. Rockford has romantic flings with numerous women, but none become permanent. James Garner's real-life brother, Jack Garner, made 23 appearances playing (at various times) a policeman, a gas station attendant, and a stranger in a bathroom. The most regular character Jack played was that of police officer "Captain McEnroe" a number of times in the final season. The show's pilot was written by Cannell, who also wrote 36 episodes and was the show's co-creator. Juanita Bartlett, one of the show's producers and Garner's
The Rockford Files OKG stood for "Oklahoma Garner" but that he does not know the origin of the numbers 853. Starting with the 1974 model year, Rockford would get a new model-year Pontiac Firebird each year throughout the series. The Firebirds used had an identical "copper mist" color with the Esprit's exterior and interior. Although the Firebirds were badged as Esprits, they were actually the higher performance "Formula" model without the twin scoop hood. Garner needed Rockford's car to look like the lower tiered "Esprit" model, a car Rockford could afford, but have the performance necessary for the chase sequences in the show.