Power Rangers: Samurai Force

Power Rangers: Shinobi Force is an adaptation of the Super Sentai Series, Samurai Sentai Shinkenger.

Allies

 * Mr. Martin: (Played by Phill Lewis) A cruel old man who owns the land that the Dojo is built on, he doesn't knwo who the Rangers really are. He hates them and wants them to be gone because the Rangers destroy his land.
 * George Shiro: (Played by Greg Germann) The father of Nate, he is the leader of the Shiro Clan and gave the Rangers their powers.
 * Nikki: (Played by Victoria Justice) A friend of the Rangers, she is a huge fan of the Shinobi Force, but is clueless about her friends' secret identities.
 * Virgil: (Played by David Henrie) Nikki's boyfriend, he and Nate hate each other, mainly because Nate is new to their school and Virgil runs the school.

Villains

 * The Youkai Clan: A clan of demonic samurais. They have an army of two-lived Samurai Monsters with great power. Their main base is in a Sailing Ship inside of the World of Demons, but the Demon Maiden Sukiyo can use her music to rip open portals to the Human World.
 * Daemon: A demonic Samurai with a broadsword, he drinks Human Blood and leads the Youkai Clan, but goes into fits of rage all the time, being only nice to Sukiyo.
 * Sukiyo: A Demon Maiden whose music from the Magical Shamisen can open up portals to the Mortal World.
 * Eyesore: A squid-bodied monster with a dozen eyes on his head, he is the Clan's Channeler and Strategist. (Voiced by Darren Dunstan)