Colonel Mason Truman A military colonel, he is of the highest authority in the city of Cornith. He is also Scott's father, he is very stern and strict with his son and believes he is not ready for some things, but in reality he loves him. He mourns the loss of his beloved son Marcus.

Dr. K The mysterious benefactor and boss of the Power Rangers, she only speaks to the Rangers and Colonel Truman through voice at first. When Dillon questions her and her allegiance, she reveals her true identity, a teenage genius who is dedicated to her work. She doesn't like going outside because ever since she was raised in Alphabet Soup, a government facility and was told she was allergic to the sun. She has gone out of her lab but since it is within the dome city, she doesn't considered it 'going out.' She is currently keeping the secret from the Rangers that she is the one who created and released the Venjix virus.

Corporal Hicks He is Colonel Truman's right hand man. Although he can be a bit absent-minded and not sure of himself at times, he is Truman's most trusted soldier as he seen always by his side.

Marcus Truman Scott's deceased brother, he was his father's golden boy as an ace pilot and more experienced than Scott. He chose Scott to be his number two but his father and brother did not know this until a year after his passing when Scott found his recommendation letter.

Clare and Martin Langston Summer's formerly wealthy, shallow and vapid parents were not present with Summer when the Venjix virus hit. They reunited with her in Corinth and they made a promise to leave her alone for a year and let her be a Power Ranger, as long as she married into a rich family. They had bestowed her with the Black Diamond necklace, she gave it back to them and when Venjix went after it, they used it is blackmail against Summer so she would married. Summer didn't marry and the Langstons learned there were things more than money and Clare said she was going to get her very first job.

Gem and Gema Gem and Gema are twin captive phenoms of 'Alphabet Soup.' They were the initial test pilots of the Ranger bio-suits. They befriend Dr. K even though she did not initially like them. When Venjix gets past Alphabet Soup and seeps into the world, the twins help get Dr. K out of the facility. They were last seen running off to retrieve the classified Gold and Silver series bio-suits during a collapse.