According to James Garner, had the series been renewed for a second season, Jack Kelly (as Bart Maverick), would have been added as a regular cast member.
Bret's painting of his Pappy was really of James Garner, who had portrayed the elder Maverick on the original series.
Bret's horse was Lowball.
Bret always keeps $1,000 pinned to the inside of his coat for emergencies.
Ed Bruce who plays "Tom Guthrie" sings the "Bret Maverick" theme song.