Tommy's brother, David Trueheart, is played by Jason David Frank's actual brother Eric Frank who later passed away in 2001.
Rumoured candidates for the Gold Ranger included Billy, David Trueheart and even Skull.
Contrary to popular belief, Steve Cardenas didn't leave the series due to an injury. He did so in order to focus on his karate school and other disagreements.
It's the first Power Rangers series in which a Ranger from a previous team (Jason Lee Scott, the first Red Ranger from Mighty Morphin' Power Rangers and the Gold Ranger in Power Rangers Zeo) joins to the team with his successor (Rocky DeSantos, the second Red Ranger from Mighty Morphin' Power Rangers and the Blue Zeo Ranger in Power Rangers Zeo).